Subtract 28/20 from 12/36
1st number: 12/36, 2nd number: 1 8/20
12/36 - 28/20 is -16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
28/20 = 28 × 9/20 × 9 = 252/180 - Subtract the two like fractions:
60/180 - 252/180 = 60 - 252/180 = -192/180 - After reducing the fraction, the answer is -16/15
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