Subtract 9/10 from 90/7
1st number: 12 6/7, 2nd number: 9/10
90/7 - 9/10 is 837/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Subtract the two like fractions:
900/70 - 63/70 = 900 - 63/70 = 837/70 - In mixed form: 1167/70
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