Subtract 7/70 from 9/7
1st number: 1 2/7, 2nd number: 7/70
9/7 - 7/70 is 83/70.
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,
9/7 = 9 × 10/7 × 10 = 90/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Subtract the two like fractions:
90/70 - 7/70 = 90 - 7/70 = 83/70 - In mixed form: 113/70
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