Subtract 81/5 from 35/70
1st number: 35/70, 2nd number: 16 1/5
35/70 - 81/5 is -157/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
35/70 = 35 × 1/70 × 1 = 35/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
81/5 = 81 × 14/5 × 14 = 1134/70 - Subtract the two like fractions:
35/70 - 1134/70 = 35 - 1134/70 = -1099/70 - After reducing the fraction, the answer is -157/10
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