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: - 151/202
- 151/202 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 151 is a prime number.
- 202 = 2 × 101
- GCF (151; 202) = 1
The fraction: - 124/226
- The prime factorizations of the numerator and denominator:
- 124 = 22 × 31
- 226 = 2 × 113
- 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 (124; 226) = 2
- 124/226 = - (124 ÷ 2)/(226 ÷ 2) = - 62/113
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 124/226 = - (22 × 31)/(2 × 113) = - ((22 × 31) ÷ 2)/((2 × 113) ÷ 2) = - 62/113
The fraction: - 136/228
- 136 = 23 × 17
- 228 = 22 × 3 × 19
- GCF (136; 228) = 22 = 4
- 136/228 = - (136 ÷ 4)/(228 ÷ 4) = - 34/57
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 136/228 = - (23 × 17)/(22 × 3 × 19) = - ((23 × 17) ÷ 22)/((22 × 3 × 19) ÷ 22) = - 34/57
The fraction: - 145/263
- 145/263 is already reduced to the lowest terms.
The numerator and denominator have no common prime factors:
- 145 = 5 × 29
- 263 is a prime number.
- GCF (145; 263) = 1
The fraction: - 141/306
- 141 = 3 × 47
- 306 = 2 × 32 × 17
- GCF (141; 306) = 3
- 141/306 = - (141 ÷ 3)/(306 ÷ 3) = - 47/102
The fraction can also be reduced without calculating GCF; factor the numerator and denominator and cross out all the common prime factors:
- 141/306 = - (3 × 47)/(2 × 32 × 17) = - ((3 × 47) ÷ 3)/((2 × 32 × 17) ÷ 3) = - 47/102
Calculate the expanding number of each fraction:
Divide the LCM by the numerator of each fraction.
- 151/202 ⟶ 1,084,634,510 ÷ 151 = (2 × 5 × 17 × 29 × 31 × 47 × 151) ÷ 151 = 7,183,010
- 62/113 ⟶ 1,084,634,510 ÷ 62 = (2 × 5 × 17 × 29 × 31 × 47 × 151) ÷ (2 × 31) = 17,494,105
- 34/57 ⟶ 1,084,634,510 ÷ 34 = (2 × 5 × 17 × 29 × 31 × 47 × 151) ÷ (2 × 17) = 31,901,015
- 145/263 ⟶ 1,084,634,510 ÷ 145 = (2 × 5 × 17 × 29 × 31 × 47 × 151) ÷ (5 × 29) = 7,480,238
- 47/102 ⟶ 1,084,634,510 ÷ 47 = (2 × 5 × 17 × 29 × 31 × 47 × 151) ÷ 47 = 23,077,330
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:
- 151/202 = - (7,183,010 × 151)/(7,183,010 × 202) = - 1,084,634,510/1,450,968,020
- 62/113 = - (17,494,105 × 62)/(17,494,105 × 113) = - 1,084,634,510/1,976,833,865
- 34/57 = - (31,901,015 × 34)/(31,901,015 × 57) = - 1,084,634,510/1,818,357,855
- 145/263 = - (7,480,238 × 145)/(7,480,238 × 263) = - 1,084,634,510/1,967,302,594
- 47/102 = - (23,077,330 × 47)/(23,077,330 × 102) = - 1,084,634,510/2,353,887,660