Subtract 21/5 from 40/14
1st number: 2 12/14, 2nd number: 4 1/5
40/14 - 21/5 is -47/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
40/14 = 40 × 5/14 × 5 = 200/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Subtract the two like fractions:
200/70 - 294/70 = 200 - 294/70 = -94/70 - After reducing the fraction, the answer is -47/35
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