Subtract 45/10 from 21/96, Solve 21/96

Subtract 45/10 from 21/96

1^st number: 21/96, 2^nd number: 4 5/10

21/96 - 45/10 is -137/32.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 10 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480
Likewise, for the 2nd fraction, since 10 × 48 = 480,
45/10 = 45 × 48/10 × 48 = 2160/480
Subtract the two like fractions:
105/480 - 2160/480 = 105 - 2160/480 = -2055/480
After reducing the fraction, the answer is -137/32

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