Subtract 50/56 from 3/70
3/70 - 50/56 is -17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
3/70 = 3 × 4/70 × 4 = 12/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
50/56 = 50 × 5/56 × 5 = 250/280 - Subtract the two like fractions:
12/280 - 250/280 = 12 - 250/280 = -238/280 - After reducing the fraction, the answer is -17/20
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