Subtract 9/16 from 15/40
15/40 - 9/16 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
15/40 = 15 × 2/40 × 2 = 30/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Subtract the two like fractions:
30/80 - 45/80 = 30 - 45/80 = -15/80 - After reducing the fraction, the answer is -3/16
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