Subtract 14/90 from 7/54
7/54 - 14/90 is -7/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
14/90 = 14 × 3/90 × 3 = 42/270 - Subtract the two like fractions:
35/270 - 42/270 = 35 - 42/270 = -7/270
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