Subtract 50/90 from 27/54
27/54 - 50/90 is -1/18.
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,
27/54 = 27 × 5/54 × 5 = 135/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
50/90 = 50 × 3/90 × 3 = 150/270 - Subtract the two like fractions:
135/270 - 150/270 = 135 - 150/270 = -15/270 - After reducing the fraction, the answer is -1/18
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Related: 81/54-50/90