Subtract 75/20 from 15/16
1st number: 15/16, 2nd number: 3 15/20
15/16 - 75/20 is -45/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
75/20 = 75 × 4/20 × 4 = 300/80 - Subtract the two like fractions:
75/80 - 300/80 = 75 - 300/80 = -225/80 - After reducing the fraction, the answer is -45/16
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