Subtract 20/10 from 75/70
1st number: 1 5/70, 2nd number: 2 0/10
75/70 - 20/10 is -13/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
20/10 = 20 × 7/10 × 7 = 140/70 - Subtract the two like fractions:
75/70 - 140/70 = 75 - 140/70 = -65/70 - After reducing the fraction, the answer is -13/14
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