Subtract 81/49 from 16/80
1st number: 16/80, 2nd number: 1 32/49
16/80 - 81/49 is -356/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 49 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
16/80 = 16 × 49/80 × 49 = 784/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
81/49 = 81 × 80/49 × 80 = 6480/3920 - Subtract the two like fractions:
784/3920 - 6480/3920 = 784 - 6480/3920 = -5696/3920 - After reducing the fraction, the answer is -356/245
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