Subtract 20/70 from 8/24
8/24 - 20/70 is 1/21.
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,
20/70 = 20 × 12/70 × 12 = 240/840 - Subtract the two like fractions:
280/840 - 240/840 = 280 - 240/840 = 40/840 - After reducing the fraction, the answer is 1/21
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