Subtract 12/15 from 15/28
15/28 - 12/15 is -37/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
15/28 = 15 × 15/28 × 15 = 225/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
12/15 = 12 × 28/15 × 28 = 336/420 - Subtract the two like fractions:
225/420 - 336/420 = 225 - 336/420 = -111/420 - After reducing the fraction, the answer is -37/140
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