Subtract 2/72 from 10/21, Solve 10/21

Subtract 2/72 from 10/21

10/21 - 2/72 is 113/252.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 21 × 24 = 504,
10/21 = 10 × 24/21 × 24 = 240/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504
Subtract the two like fractions:
240/504 - 14/504 = 240 - 14/504 = 226/504
After reducing the fraction, the answer is 113/252

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