Subtract 10/70 from 90/8
1st number: 11 2/8, 2nd number: 10/70
90/8 - 10/70 is 311/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
90/8 = 90 × 35/8 × 35 = 3150/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
10/70 = 10 × 4/70 × 4 = 40/280 - Subtract the two like fractions:
3150/280 - 40/280 = 3150 - 40/280 = 3110/280 - After reducing the fraction, the answer is 311/28
- In mixed form: 113/28
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