Subtract 80/14 from 90/9
1st number: 10 0/9, 2nd number: 5 10/14
90/9 - 80/14 is 30/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
90/9 = 90 × 14/9 × 14 = 1260/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
80/14 = 80 × 9/14 × 9 = 720/126 - Subtract the two like fractions:
1260/126 - 720/126 = 1260 - 720/126 = 540/126 - After reducing the fraction, the answer is 30/7
- In mixed form: 42/7
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