Subtract 50/48 from 7/21, Solve 7/21

Subtract 50/48 from 7/21

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

7/21 - 50/48 is -17/24.

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

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
7/21 = 7 × 16/21 × 16 = 112/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
50/48 = 50 × 7/48 × 7 = 350/336
Subtract the two like fractions:
112/336 - 350/336 = 112 - 350/336 = -238/336
After reducing the fraction, the answer is -17/24

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