Subtract 70/9 from 80/14
1st number: 5 10/14, 2nd number: 7 7/9
80/14 - 70/9 is -130/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
80/14 = 80 × 9/14 × 9 = 720/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
70/9 = 70 × 14/9 × 14 = 980/126 - Subtract the two like fractions:
720/126 - 980/126 = 720 - 980/126 = -260/126 - After reducing the fraction, the answer is -130/63
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