Subtract 10/81 from 56/90
56/90 - 10/81 is 202/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
56/90 = 56 × 9/90 × 9 = 504/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
10/81 = 10 × 10/81 × 10 = 100/810 - Subtract the two like fractions:
504/810 - 100/810 = 504 - 100/810 = 404/810 - After reducing the fraction, the answer is 202/405
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