Subtract 7/81 from 6/10
6/10 - 7/81 is 208/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
6/10 = 6 × 81/10 × 81 = 486/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
7/81 = 7 × 10/81 × 10 = 70/810 - Subtract the two like fractions:
486/810 - 70/810 = 486 - 70/810 = 416/810 - After reducing the fraction, the answer is 208/405
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