Subtract 84/7 from 98/90
1st number: 1 8/90, 2nd number: 12 0/7
98/90 - 84/7 is -491/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
84/7 = 84 × 90/7 × 90 = 7560/630 - Subtract the two like fractions:
686/630 - 7560/630 = 686 - 7560/630 = -6874/630 - After reducing the fraction, the answer is -491/45
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