Subtract 60/81 from 12/7, Solve 1 5/7

Subtract 60/81 from 12/7

1^st number: 1 5/7, 2^nd number: 60/81

12/7 - 60/81 is 184/189.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 7 × 81 = 567,
12/7 = 12 × 81/7 × 81 = 972/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
60/81 = 60 × 7/81 × 7 = 420/567
Subtract the two like fractions:
972/567 - 420/567 = 972 - 420/567 = 552/567
After reducing the fraction, the answer is 184/189

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