Subtract 4/84 from 15/35
15/35 - 4/84 is 8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
15/35 = 15 × 12/35 × 12 = 180/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Subtract the two like fractions:
180/420 - 20/420 = 180 - 20/420 = 160/420 - After reducing the fraction, the answer is 8/21
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