Simplify the operation
Reduce (simplify) the fractions to their lowest terms equivalents:
- To reduce a fraction to the lowest terms equivalent: divide both the numerator and denominator by their greatest common factor, GCF.
The fraction: - 228/332
- The prime factorizations of the numerator and denominator:
- 228 = 22 × 3 × 19
- 332 = 22 × 83
- Multiply all the common prime factors: if there are repeating prime factors we only take them once, and only the ones having the lowest exponent (the lowest powers).
- GCF (228; 332) = 22 = 4
- 228/332 = - (228 ÷ 4)/(332 ÷ 4) = - 57/83
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 228/332 = - (22 × 3 × 19)/(22 × 83) = - ((22 × 3 × 19) ÷ 22)/((22 × 83) ÷ 22) = - 57/83
The fraction: - 206/336
- 206 = 2 × 103
- 336 = 24 × 3 × 7
- GCF (206; 336) = 2
- 206/336 = - (206 ÷ 2)/(336 ÷ 2) = - 103/168
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 206/336 = - (2 × 103)/(24 × 3 × 7) = - ((2 × 103) ÷ 2)/((24 × 3 × 7) ÷ 2) = - 103/168
The fraction: - 220/356
- 220 = 22 × 5 × 11
- 356 = 22 × 89
- GCF (220; 356) = 22 = 4
- 220/356 = - (220 ÷ 4)/(356 ÷ 4) = - 55/89
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 220/356 = - (22 × 5 × 11)/(22 × 89) = - ((22 × 5 × 11) ÷ 22)/((22 × 89) ÷ 22) = - 55/89
The fraction: - 232/381
- 232/381 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 232 = 23 × 29
- 381 = 3 × 127
- GCF (232; 381) = 1
The fraction: - 218/428
- 218 = 2 × 109
- 428 = 22 × 107
- GCF (218; 428) = 2
- 218/428 = - (218 ÷ 2)/(428 ÷ 2) = - 109/214
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 218/428 = - (2 × 109)/(22 × 107) = - ((2 × 109) ÷ 2)/((22 × 107) ÷ 2) = - 109/214
Calculate the expanding number of each fraction:
Divide the LCM by the numerator of each fraction.
- 57/83 ⟶ 8,165,621,640 ÷ 57 = (23 × 3 × 5 × 11 × 19 × 29 × 103 × 109) ÷ (3 × 19) = 143,256,520
- 103/168 ⟶ 8,165,621,640 ÷ 103 = (23 × 3 × 5 × 11 × 19 × 29 × 103 × 109) ÷ 103 = 79,277,880
- 55/89 ⟶ 8,165,621,640 ÷ 55 = (23 × 3 × 5 × 11 × 19 × 29 × 103 × 109) ÷ (5 × 11) = 148,465,848
- 232/381 ⟶ 8,165,621,640 ÷ 232 = (23 × 3 × 5 × 11 × 19 × 29 × 103 × 109) ÷ (23 × 29) = 35,196,645
- 109/214 ⟶ 8,165,621,640 ÷ 109 = (23 × 3 × 5 × 11 × 19 × 29 × 103 × 109) ÷ 109 = 74,913,960
Make the numerators of the fractions the same:
- Expand each fraction: multiply both its numerator and denominator by its corresponding expanding number, calculated above.
- This way all the fractions will have the same numerator:
- 57/83 = - (143,256,520 × 57)/(143,256,520 × 83) = - 8,165,621,640/11,890,291,160
- 103/168 = - (79,277,880 × 103)/(79,277,880 × 168) = - 8,165,621,640/13,318,683,840
- 55/89 = - (148,465,848 × 55)/(148,465,848 × 89) = - 8,165,621,640/13,213,460,472
- 232/381 = - (35,196,645 × 232)/(35,196,645 × 381) = - 8,165,621,640/13,409,921,745
- 109/214 = - (74,913,960 × 109)/(74,913,960 × 214) = - 8,165,621,640/16,031,587,440