Subtract 15/36 from 20/56
20/56 - 15/36 is -5/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 36 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Likewise, for the 2nd fraction, since 36 × 14 = 504,
15/36 = 15 × 14/36 × 14 = 210/504 - Subtract the two like fractions:
180/504 - 210/504 = 180 - 210/504 = -30/504 - After reducing the fraction, the answer is -5/84
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