Subtract 40/7 from 45/14
1st number: 3 3/14, 2nd number: 5 5/7
45/14 - 40/7 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
45/14 = 45 × 1/14 × 1 = 45/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
40/7 = 40 × 2/7 × 2 = 80/14 - Subtract the two like fractions:
45/14 - 80/14 = 45 - 80/14 = -35/14 - After reducing the fraction, the answer is -5/2
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