Subtract 45/12 from 8/72
1st number: 8/72, 2nd number: 3 9/12
8/72 - 45/12 is -131/36.
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,
8/72 = 8 × 1/72 × 1 = 8/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
45/12 = 45 × 6/12 × 6 = 270/72 - Subtract the two like fractions:
8/72 - 270/72 = 8 - 270/72 = -262/72 - After reducing the fraction, the answer is -131/36
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