Subtract 5/10 from 9/40
9/40 - 5/10 is -11/40.
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,
9/40 = 9 × 1/40 × 1 = 9/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
5/10 = 5 × 4/10 × 4 = 20/40 - Subtract the two like fractions:
9/40 - 20/40 = 9 - 20/40 = -11/40
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