Subtract 12/24 from 7/70
7/70 - 12/24 is -2/5.
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,
7/70 = 7 × 12/70 × 12 = 84/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
12/24 = 12 × 35/24 × 35 = 420/840 - Subtract the two like fractions:
84/840 - 420/840 = 84 - 420/840 = -336/840 - After reducing the fraction, the answer is -2/5
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