Subtract 84/90 from 75/7
1st number: 10 5/7, 2nd number: 84/90
75/7 - 84/90 is 1027/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
75/7 = 75 × 90/7 × 90 = 6750/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Subtract the two like fractions:
6750/630 - 588/630 = 6750 - 588/630 = 6162/630 - After reducing the fraction, the answer is 1027/105
- In mixed form: 982/105
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