Subtract 10/40 from 80/9, Solve 8 8/9

Subtract 10/40 from 80/9

1^st number: 8 8/9, 2^nd number: 10/40

80/9 - 10/40 is 311/36.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 9 × 40 = 360,
80/9 = 80 × 40/9 × 40 = 3200/360
Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360
Subtract the two like fractions:
3200/360 - 90/360 = 3200 - 90/360 = 3110/360
After reducing the fraction, the answer is 311/36
In mixed form: 823/36

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