Subtract 50/63 from 60/81, Solve 60/81

Subtract 50/63 from 60/81

60/81 - 50/63 is -10/189.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 81 × 7 = 567,
60/81 = 60 × 7/81 × 7 = 420/567
Likewise, for the 2nd fraction, since 63 × 9 = 567,
50/63 = 50 × 9/63 × 9 = 450/567
Subtract the two like fractions:
420/567 - 450/567 = 420 - 450/567 = -30/567
After reducing the fraction, the answer is -10/189

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