Subtract 10/16 from 25/21, Solve 1 4/21

Subtract 10/16 from 25/21

1^st number: 1 4/21, 2^nd number: 10/16

25/21 - 10/16 is 95/168.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
25/21 = 25 × 16/21 × 16 = 400/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336
Subtract the two like fractions:
400/336 - 210/336 = 400 - 210/336 = 190/336
After reducing the fraction, the answer is 95/168

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