Subtract 21/16 from 30/12, Solve 2 6/12

Subtract 21/16 from 30/12

1^st number: 2 6/12, 2^nd number: 1 5/16

30/12 - 21/16 is 19/16.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
30/12 = 30 × 4/12 × 4 = 120/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48
Subtract the two like fractions:
120/48 - 63/48 = 120 - 63/48 = 57/48
After reducing the fraction, the answer is 19/16
In mixed form: 13/16

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