Subtract 45/15 from 9/16, Solve 9/16

Subtract 45/15 from 9/16

1^st number: 9/16, 2^nd number: 3 0/15

9/16 - 45/15 is -39/16.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 16 × 15 = 240,
9/16 = 9 × 15/16 × 15 = 135/240
Likewise, for the 2nd fraction, since 15 × 16 = 240,
45/15 = 45 × 16/15 × 16 = 720/240
Subtract the two like fractions:
135/240 - 720/240 = 135 - 720/240 = -585/240
After reducing the fraction, the answer is -39/16

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