Subtract 24/9 from 10/80, Solve 10/80

Subtract 24/9 from 10/80

1^st number: 10/80, 2^nd number: 2 6/9

10/80 - 24/9 is -61/24.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
24/9 = 24 × 80/9 × 80 = 1920/720
Subtract the two like fractions:
90/720 - 1920/720 = 90 - 1920/720 = -1830/720
After reducing the fraction, the answer is -61/24

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