Subtract 18/70 from 80/7
1st number: 11 3/7, 2nd number: 18/70
80/7 - 18/70 is 391/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
80/7 = 80 × 10/7 × 10 = 800/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Subtract the two like fractions:
800/70 - 18/70 = 800 - 18/70 = 782/70 - After reducing the fraction, the answer is 391/35
- In mixed form: 116/35
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