Subtract 3/12 from 7/72
7/72 - 3/12 is -11/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
3/12 = 3 × 6/12 × 6 = 18/72 - Subtract the two like fractions:
7/72 - 18/72 = 7 - 18/72 = -11/72
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