Subtract 9/72 from 56/21, Solve 2 14/21

Subtract 9/72 from 56/21

1^st number: 2 14/21, 2^nd number: 9/72

56/21 - 9/72 is 61/24.

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,
56/21 = 56 × 24/21 × 24 = 1344/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504
Subtract the two like fractions:
1344/504 - 63/504 = 1344 - 63/504 = 1281/504
After reducing the fraction, the answer is 61/24
In mixed form: 213/24

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