Subtract 2/10 from 45/81
45/81 - 2/10 is 16/45.
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,
2/10 = 2 × 81/10 × 81 = 162/810 - Subtract the two like fractions:
450/810 - 162/810 = 450 - 162/810 = 288/810 - After reducing the fraction, the answer is 16/45
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