Subtract 8/75 from 21/16, Solve 1 5/16

Subtract 8/75 from 21/16

1^st number: 1 5/16, 2^nd number: 8/75

21/16 - 8/75 is 1447/1200.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 16 × 75 = 1200,
21/16 = 21 × 75/16 × 75 = 1575/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
8/75 = 8 × 16/75 × 16 = 128/1200
Subtract the two like fractions:
1575/1200 - 128/1200 = 1575 - 128/1200 = 1447/1200
In mixed form: 1247/1200

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