Subtract 25/16 from 21/6, Solve 3 3/6

Subtract 25/16 from 21/6

1^st number: 3 3/6, 2^nd number: 1 9/16

21/6 - 25/16 is 31/16.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 6 × 8 = 48,
21/6 = 21 × 8/6 × 8 = 168/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
25/16 = 25 × 3/16 × 3 = 75/48
Subtract the two like fractions:
168/48 - 75/48 = 168 - 75/48 = 93/48
After reducing the fraction, the answer is 31/16
In mixed form: 115/16

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