Subtract 20/24 from 9/36
9/36 - 20/24 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
9/36 = 9 × 2/36 × 2 = 18/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Subtract the two like fractions:
18/72 - 60/72 = 18 - 60/72 = -42/72 - After reducing the fraction, the answer is -7/12
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