Subtract 12/70 from 80/9, Solve 8 8/9

Subtract 12/70 from 80/9

1^st number: 8 8/9, 2^nd number: 12/70

80/9 - 12/70 is 2746/315.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
80/9 = 80 × 70/9 × 70 = 5600/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630
Subtract the two like fractions:
5600/630 - 108/630 = 5600 - 108/630 = 5492/630
After reducing the fraction, the answer is 2746/315
In mixed form: 8226/315

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