Subtract 45/40 from 12/14
1st number: 12/14, 2nd number: 1 5/40
12/14 - 45/40 is -15/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
12/14 = 12 × 20/14 × 20 = 240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Subtract the two like fractions:
240/280 - 315/280 = 240 - 315/280 = -75/280 - After reducing the fraction, the answer is -15/56
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