Subtract 49/54 from 7/10
7/10 - 49/54 is -28/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
7/10 = 7 × 27/10 × 27 = 189/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
49/54 = 49 × 5/54 × 5 = 245/270 - Subtract the two like fractions:
189/270 - 245/270 = 189 - 245/270 = -56/270 - After reducing the fraction, the answer is -28/135
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