Subtract 14/84 from 21/15
1st number: 1 6/15, 2nd number: 14/84
21/15 - 14/84 is 37/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
21/15 = 21 × 28/15 × 28 = 588/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Subtract the two like fractions:
588/420 - 70/420 = 588 - 70/420 = 518/420 - After reducing the fraction, the answer is 37/30
- In mixed form: 17/30
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