Subtract 21/96 from 21/5, Solve 4 1/5

Subtract 21/96 from 21/5

1^st number: 4 1/5, 2^nd number: 21/96

21/5 - 21/96 is 637/160.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 96 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 5 × 96 = 480,
21/5 = 21 × 96/5 × 96 = 2016/480
Likewise, for the 2nd fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480
Subtract the two like fractions:
2016/480 - 105/480 = 2016 - 105/480 = 1911/480
After reducing the fraction, the answer is 637/160
In mixed form: 3157/160

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