Subtract 80/72 from 7/12
1st number: 7/12, 2nd number: 1 8/72
7/12 - 80/72 is -19/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
7/12 = 7 × 6/12 × 6 = 42/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72 - Subtract the two like fractions:
42/72 - 80/72 = 42 - 80/72 = -38/72 - After reducing the fraction, the answer is -19/36
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