Subtract 24/54 from 81/90
81/90 - 24/54 is 41/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
81/90 = 81 × 3/90 × 3 = 243/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
24/54 = 24 × 5/54 × 5 = 120/270 - Subtract the two like fractions:
243/270 - 120/270 = 243 - 120/270 = 123/270 - After reducing the fraction, the answer is 41/90
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