Subtract 4/40 from 5/15
5/15 - 4/40 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
5/15 = 5 × 8/15 × 8 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Subtract the two like fractions:
40/120 - 12/120 = 40 - 12/120 = 28/120 - After reducing the fraction, the answer is 7/30
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