Subtract 21/9 from 7/96, Solve 7/96

Subtract 21/9 from 7/96

1^st number: 7/96, 2^nd number: 2 3/9

7/96 - 21/9 is -217/96.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 9 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 96 × 3 = 288,
7/96 = 7 × 3/96 × 3 = 21/288
Likewise, for the 2nd fraction, since 9 × 32 = 288,
21/9 = 21 × 32/9 × 32 = 672/288
Subtract the two like fractions:
21/288 - 672/288 = 21 - 672/288 = -651/288
After reducing the fraction, the answer is -217/96

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