Subtract 80/56 from 10/9, Solve 1 1/9

Subtract 80/56 from 10/9

1^st number: 1 1/9, 2^nd number: 1 24/56

10/9 - 80/56 is -20/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 9 × 56 = 504,
10/9 = 10 × 56/9 × 56 = 560/504
Likewise, for the 2nd fraction, since 56 × 9 = 504,
80/56 = 80 × 9/56 × 9 = 720/504
Subtract the two like fractions:
560/504 - 720/504 = 560 - 720/504 = -160/504
After reducing the fraction, the answer is -20/63

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