Subtract 28/72 from 1/36
1/36 - 28/72 is -13/36.
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,
1/36 = 1 × 2/36 × 2 = 2/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Subtract the two like fractions:
2/72 - 28/72 = 2 - 28/72 = -26/72 - After reducing the fraction, the answer is -13/36
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