Subtract 16/25 from 21/12, Solve 1 9/12

Subtract 16/25 from 21/12

1^st number: 1 9/12, 2^nd number: 16/25

21/12 - 16/25 is 111/100.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
16/25 = 16 × 12/25 × 12 = 192/300
Subtract the two like fractions:
525/300 - 192/300 = 525 - 192/300 = 333/300
After reducing the fraction, the answer is 111/100
In mixed form: 111/100

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