Subtract 45/25 from 9/16, Solve 9/16

Subtract 45/25 from 9/16

1^st number: 9/16, 2^nd number: 1 20/25

9/16 - 45/25 is -99/80.

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

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 16 × 25 = 400,
9/16 = 9 × 25/16 × 25 = 225/400
Likewise, for the 2nd fraction, since 25 × 16 = 400,
45/25 = 45 × 16/25 × 16 = 720/400
Subtract the two like fractions:
225/400 - 720/400 = 225 - 720/400 = -495/400
After reducing the fraction, the answer is -99/80

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