Subtract 18/16 from 9/40
1st number: 9/40, 2nd number: 1 2/16
9/40 - 18/16 is -9/10.
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,
9/40 = 9 × 2/40 × 2 = 18/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Subtract the two like fractions:
18/80 - 90/80 = 18 - 90/80 = -72/80 - After reducing the fraction, the answer is -9/10
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