Subtract 35/81 from 56/70
56/70 - 35/81 is 149/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
56/70 = 56 × 81/70 × 81 = 4536/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
35/81 = 35 × 70/81 × 70 = 2450/5670 - Subtract the two like fractions:
4536/5670 - 2450/5670 = 4536 - 2450/5670 = 2086/5670 - After reducing the fraction, the answer is 149/405
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Related: 56/70-70/81