Subtract 2/15 from 28/84
28/84 - 2/15 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Subtract the two like fractions:
140/420 - 56/420 = 140 - 56/420 = 84/420 - After reducing the fraction, the answer is 1/5
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