Subtract 25/90 from 90/7
1st number: 12 6/7, 2nd number: 25/90
90/7 - 25/90 is 1585/126.
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,
90/7 = 90 × 90/7 × 90 = 8100/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
25/90 = 25 × 7/90 × 7 = 175/630 - Subtract the two like fractions:
8100/630 - 175/630 = 8100 - 175/630 = 7925/630 - After reducing the fraction, the answer is 1585/126
- In mixed form: 1273/126
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