Subtract 63/16 from 90/80
1st number: 1 10/80, 2nd number: 3 15/16
90/80 - 63/16 is -45/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
63/16 = 63 × 5/16 × 5 = 315/80 - Subtract the two like fractions:
90/80 - 315/80 = 90 - 315/80 = -225/80 - After reducing the fraction, the answer is -45/16
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