Subtract 40/21 from 14/4
1st number: 3 2/4, 2nd number: 1 19/21
14/4 - 40/21 is 67/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
14/4 = 14 × 21/4 × 21 = 294/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
40/21 = 40 × 4/21 × 4 = 160/84 - Subtract the two like fractions:
294/84 - 160/84 = 294 - 160/84 = 134/84 - After reducing the fraction, the answer is 67/42
- In mixed form: 125/42
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