Subtract 14/15 from 9/28
9/28 - 14/15 is -257/420.
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,
9/28 = 9 × 15/28 × 15 = 135/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
14/15 = 14 × 28/15 × 28 = 392/420 - Subtract the two like fractions:
135/420 - 392/420 = 135 - 392/420 = -257/420
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