Subtract 9/10 from 16/40
16/40 - 9/10 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
16/40 = 16 × 1/40 × 1 = 16/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
9/10 = 9 × 4/10 × 4 = 36/40 - Subtract the two like fractions:
16/40 - 36/40 = 16 - 36/40 = -20/40 - After reducing the fraction, the answer is -1/2
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