Subtract 18/16 from 12/25, Solve 12/25

Subtract 18/16 from 12/25

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

12/25 - 18/16 is -129/200.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 25 × 16 = 400,
12/25 = 12 × 16/25 × 16 = 192/400
Likewise, for the 2nd fraction, since 16 × 25 = 400,
18/16 = 18 × 25/16 × 25 = 450/400
Subtract the two like fractions:
192/400 - 450/400 = 192 - 450/400 = -258/400
After reducing the fraction, the answer is -129/200

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