Subtract 84/7 from 10/90
1st number: 10/90, 2nd number: 12 0/7
10/90 - 84/7 is -107/9.
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,
10/90 = 10 × 7/90 × 7 = 70/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
84/7 = 84 × 90/7 × 90 = 7560/630 - Subtract the two like fractions:
70/630 - 7560/630 = 70 - 7560/630 = -7490/630 - After reducing the fraction, the answer is -107/9
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