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: 201/310
201/310 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 201 = 3 × 67
- 310 = 2 × 5 × 31
- GCF (201; 310) = 1
The fraction: 235/335
- The prime factorizations of the numerator and denominator:
- 235 = 5 × 47
- 335 = 5 × 67
- 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 (235; 335) = 5
235/335 = (235 ÷ 5)/(335 ÷ 5) = 47/67
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
235/335 = (5 × 47)/(5 × 67) = ((5 × 47) ÷ 5)/((5 × 67) ÷ 5) = 47/67
The fraction: 217/318
217/318 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 217 = 7 × 31
- 318 = 2 × 3 × 53
- GCF (217; 318) = 1
The fraction: 202/353
202/353 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 202 = 2 × 101
- 353 is a prime number.
- GCF (202; 353) = 1
The fraction: 189/426
- 189 = 33 × 7
- 426 = 2 × 3 × 71
- GCF (189; 426) = 3
189/426 = (189 ÷ 3)/(426 ÷ 3) = 63/142
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
189/426 = (33 × 7)/(2 × 3 × 71) = ((33 × 7) ÷ 3)/((2 × 3 × 71) ÷ 3) = 63/142
Calculate the expanding number of each fraction:
Divide the LCM by the numerator of each fraction.
201/310 ⟶ 1,242,299,394 ÷ 201 = (2 × 32 × 7 × 31 × 47 × 67 × 101) ÷ (3 × 67) = 6,180,594
47/67 ⟶ 1,242,299,394 ÷ 47 = (2 × 32 × 7 × 31 × 47 × 67 × 101) ÷ 47 = 26,431,902
217/318 ⟶ 1,242,299,394 ÷ 217 = (2 × 32 × 7 × 31 × 47 × 67 × 101) ÷ (7 × 31) = 5,724,882
202/353 ⟶ 1,242,299,394 ÷ 202 = (2 × 32 × 7 × 31 × 47 × 67 × 101) ÷ (2 × 101) = 6,149,997
63/142 ⟶ 1,242,299,394 ÷ 63 = (2 × 32 × 7 × 31 × 47 × 67 × 101) ÷ (32 × 7) = 19,719,038
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:
201/310 = (6,180,594 × 201)/(6,180,594 × 310) = 1,242,299,394/1,915,984,140
47/67 = (26,431,902 × 47)/(26,431,902 × 67) = 1,242,299,394/1,770,937,434
217/318 = (5,724,882 × 217)/(5,724,882 × 318) = 1,242,299,394/1,820,512,476
202/353 = (6,149,997 × 202)/(6,149,997 × 353) = 1,242,299,394/2,170,948,941
63/142 = (19,719,038 × 63)/(19,719,038 × 142) = 1,242,299,394/2,800,103,396