Subtract 90/18 from 90/14
1st number: 6 6/14, 2nd number: 5 0/18
90/14 - 90/18 is 10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Subtract the two like fractions:
810/126 - 630/126 = 810 - 630/126 = 180/126 - After reducing the fraction, the answer is 10/7
- In mixed form: 13/7
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