Subtract 14/15 from 27/42
27/42 - 14/15 is -61/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
14/15 = 14 × 14/15 × 14 = 196/210 - Subtract the two like fractions:
135/210 - 196/210 = 135 - 196/210 = -61/210
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