Subtract 27/84 from 45/15
1st number: 3 0/15, 2nd number: 27/84
45/15 - 27/84 is 75/28.
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,
45/15 = 45 × 28/15 × 28 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
27/84 = 27 × 5/84 × 5 = 135/420 - Subtract the two like fractions:
1260/420 - 135/420 = 1260 - 135/420 = 1125/420 - After reducing the fraction, the answer is 75/28
- In mixed form: 219/28
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