Subtract 72/5 from 40/15
1st number: 2 10/15, 2nd number: 14 2/5
40/15 - 72/5 is -176/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
40/15 = 40 × 1/15 × 1 = 40/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
72/5 = 72 × 3/5 × 3 = 216/15 - Subtract the two like fractions:
40/15 - 216/15 = 40 - 216/15 = -176/15
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