Subtract 1/90 from 84/7
1st number: 12 0/7, 2nd number: 1/90
84/7 - 1/90 is 1079/90.
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,
84/7 = 84 × 90/7 × 90 = 7560/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Subtract the two like fractions:
7560/630 - 7/630 = 7560 - 7/630 = 7553/630 - After reducing the fraction, the answer is 1079/90
- In mixed form: 1189/90
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