Subtract 72/70 from 8/75, Solve 8/75

Subtract 72/70 from 8/75

1^st number: 8/75, 2^nd number: 1 2/70

8/75 - 72/70 is -484/525.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 75 × 14 = 1050,
8/75 = 8 × 14/75 × 14 = 112/1050
Likewise, for the 2nd fraction, since 70 × 15 = 1050,
72/70 = 72 × 15/70 × 15 = 1080/1050
Subtract the two like fractions:
112/1050 - 1080/1050 = 112 - 1080/1050 = -968/1050
After reducing the fraction, the answer is -484/525

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