Subtract 5/50 from 9/81
9/81 - 5/50 is 1/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
9/81 = 9 × 50/81 × 50 = 450/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
5/50 = 5 × 81/50 × 81 = 405/4050 - Subtract the two like fractions:
450/4050 - 405/4050 = 450 - 405/4050 = 45/4050 - After reducing the fraction, the answer is 1/90
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