Subtract 6/10 from 45/81
45/81 - 6/10 is -2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
6/10 = 6 × 81/10 × 81 = 486/810 - Subtract the two like fractions:
450/810 - 486/810 = 450 - 486/810 = -36/810 - After reducing the fraction, the answer is -2/45
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