Subtract 96/18 from 21/56, Solve 21/56

Subtract 96/18 from 21/56

1^st number: 21/56, 2^nd number: 5 6/18

21/56 - 96/18 is -119/24.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504
Likewise, for the 2nd fraction, since 18 × 28 = 504,
96/18 = 96 × 28/18 × 28 = 2688/504
Subtract the two like fractions:
189/504 - 2688/504 = 189 - 2688/504 = -2499/504
After reducing the fraction, the answer is -119/24

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