Subtract 81/36 from 20/10
1st number: 2 0/10, 2nd number: 2 9/36
20/10 - 81/36 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
20/10 = 20 × 18/10 × 18 = 360/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Subtract the two like fractions:
360/180 - 405/180 = 360 - 405/180 = -45/180 - After reducing the fraction, the answer is -1/4
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