Subtract 8/70 from 81/35
1st number: 2 11/35, 2nd number: 8/70
81/35 - 8/70 is 11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
81/35 = 81 × 2/35 × 2 = 162/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
8/70 = 8 × 1/70 × 1 = 8/70 - Subtract the two like fractions:
162/70 - 8/70 = 162 - 8/70 = 154/70 - After reducing the fraction, the answer is 11/5
- In mixed form: 21/5
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