Subtract 75/70 from 10/15
1st number: 10/15, 2nd number: 1 5/70
10/15 - 75/70 is -17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Subtract the two like fractions:
140/210 - 225/210 = 140 - 225/210 = -85/210 - After reducing the fraction, the answer is -17/42
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