Subtract 5/96 from 40/21, Solve 1 19/21

Subtract 5/96 from 40/21

1^st number: 1 19/21, 2^nd number: 5/96

40/21 - 5/96 is 415/224.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
40/21 = 40 × 32/21 × 32 = 1280/672
Likewise, for the 2nd fraction, since 96 × 7 = 672,
5/96 = 5 × 7/96 × 7 = 35/672
Subtract the two like fractions:
1280/672 - 35/672 = 1280 - 35/672 = 1245/672
After reducing the fraction, the answer is 415/224
In mixed form: 1191/224

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