Subtract 40/14 from 20/3
1st number: 6 2/3, 2nd number: 2 12/14
20/3 - 40/14 is 80/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
20/3 = 20 × 14/3 × 14 = 280/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Subtract the two like fractions:
280/42 - 120/42 = 280 - 120/42 = 160/42 - After reducing the fraction, the answer is 80/21
- In mixed form: 317/21
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