Subtract 80/9 from 4/16, Solve 4/16

Subtract 80/9 from 4/16

1^st number: 4/16, 2^nd number: 8 8/9

4/16 - 80/9 is -311/36.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
4/16 = 4 × 9/16 × 9 = 36/144
Likewise, for the 2nd fraction, since 9 × 16 = 144,
80/9 = 80 × 16/9 × 16 = 1280/144
Subtract the two like fractions:
36/144 - 1280/144 = 36 - 1280/144 = -1244/144
After reducing the fraction, the answer is -311/36

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