Subtract 10/63 from 6/72, Solve 6/72

Subtract 10/63 from 6/72

6/72 - 10/63 is -19/252.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
10/63 = 10 × 8/63 × 8 = 80/504
Subtract the two like fractions:
42/504 - 80/504 = 42 - 80/504 = -38/504
After reducing the fraction, the answer is -19/252

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