Subtract 63/81 from 45/50
45/50 - 63/81 is 11/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
45/50 = 45 × 81/50 × 81 = 3645/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
63/81 = 63 × 50/81 × 50 = 3150/4050 - Subtract the two like fractions:
3645/4050 - 3150/4050 = 3645 - 3150/4050 = 495/4050 - After reducing the fraction, the answer is 11/90
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Related: 90/50-63/81