Subtract 80/45 from 8/16, Solve 8/16

Subtract 80/45 from 8/16

1^st number: 8/16, 2^nd number: 1 35/45

8/16 - 80/45 is -23/18.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 16 × 45 = 720,
8/16 = 8 × 45/16 × 45 = 360/720
Likewise, for the 2nd fraction, since 45 × 16 = 720,
80/45 = 80 × 16/45 × 16 = 1280/720
Subtract the two like fractions:
360/720 - 1280/720 = 360 - 1280/720 = -920/720
After reducing the fraction, the answer is -23/18

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