Subtract 15/28 from 36/40
36/40 - 15/28 is 51/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
15/28 = 15 × 10/28 × 10 = 150/280 - Subtract the two like fractions:
252/280 - 150/280 = 252 - 150/280 = 102/280 - After reducing the fraction, the answer is 51/140
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