Subtract 49/21 from 7/48, Solve 7/48

Subtract 49/21 from 7/48

1^st number: 7/48, 2^nd number: 2 7/21

7/48 - 49/21 is -35/16.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
49/21 = 49 × 16/21 × 16 = 784/336
Subtract the two like fractions:
49/336 - 784/336 = 49 - 784/336 = -735/336
After reducing the fraction, the answer is -35/16

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