Subtract 8/9 from 16/80
16/80 - 8/9 is -31/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
16/80 = 16 × 9/80 × 9 = 144/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
8/9 = 8 × 80/9 × 80 = 640/720 - Subtract the two like fractions:
144/720 - 640/720 = 144 - 640/720 = -496/720 - After reducing the fraction, the answer is -31/45
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