Subtract 45/12 from 7/14
1st number: 7/14, 2nd number: 3 9/12
7/14 - 45/12 is -13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
7/14 = 7 × 6/14 × 6 = 42/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
45/12 = 45 × 7/12 × 7 = 315/84 - Subtract the two like fractions:
42/84 - 315/84 = 42 - 315/84 = -273/84 - After reducing the fraction, the answer is -13/4
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