Subtract 8/10 from 20/36
20/36 - 8/10 is -11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
8/10 = 8 × 18/10 × 18 = 144/180 - Subtract the two like fractions:
100/180 - 144/180 = 100 - 144/180 = -44/180 - After reducing the fraction, the answer is -11/45
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