Subtract 15/35 from 4/12
4/12 - 15/35 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
4/12 = 4 × 35/12 × 35 = 140/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
15/35 = 15 × 12/35 × 12 = 180/420 - Subtract the two like fractions:
140/420 - 180/420 = 140 - 180/420 = -40/420 - After reducing the fraction, the answer is -2/21
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