Subtract 80/14 from 70/9, Solve 7 7/9

Subtract 80/14 from 70/9

1^st number: 7 7/9, 2^nd number: 5 10/14

70/9 - 80/14 is 130/63.

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,
70/9 = 70 × 14/9 × 14 = 980/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
80/14 = 80 × 9/14 × 9 = 720/126
Subtract the two like fractions:
980/126 - 720/126 = 980 - 720/126 = 260/126
After reducing the fraction, the answer is 130/63
In mixed form: 24/63

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