Subtract 9/7 from 90/10
1st number: 9 0/10, 2nd number: 1 2/7
90/10 - 9/7 is 54/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Subtract the two like fractions:
630/70 - 90/70 = 630 - 90/70 = 540/70 - After reducing the fraction, the answer is 54/7
- In mixed form: 75/7
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