Subtract 12/72 from 28/36
28/36 - 12/72 is 11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
28/36 = 28 × 2/36 × 2 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Subtract the two like fractions:
56/72 - 12/72 = 56 - 12/72 = 44/72 - After reducing the fraction, the answer is 11/18
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