Subtract 8/24 from 15/70
15/70 - 8/24 is -5/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
15/70 = 15 × 12/70 × 12 = 180/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
8/24 = 8 × 35/24 × 35 = 280/840 - Subtract the two like fractions:
180/840 - 280/840 = 180 - 280/840 = -100/840 - After reducing the fraction, the answer is -5/42
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