Subtract 21/84 from 16/15
1st number: 1 1/15, 2nd number: 21/84
16/15 - 21/84 is 49/60.
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,
16/15 = 16 × 28/15 × 28 = 448/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Subtract the two like fractions:
448/420 - 105/420 = 448 - 105/420 = 343/420 - After reducing the fraction, the answer is 49/60
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