Subtract 15/10 from 5/70
1st number: 5/70, 2nd number: 1 5/10
5/70 - 15/10 is -10/7.
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,
5/70 = 5 × 1/70 × 1 = 5/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Subtract the two like fractions:
5/70 - 105/70 = 5 - 105/70 = -100/70 - After reducing the fraction, the answer is -10/7
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