Subtract 50/70 from 8/24
8/24 - 50/70 is -8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
8/24 = 8 × 35/24 × 35 = 280/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
50/70 = 50 × 12/70 × 12 = 600/840 - Subtract the two like fractions:
280/840 - 600/840 = 280 - 600/840 = -320/840 - After reducing the fraction, the answer is -8/21
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