Subtract 18/80 from 45/5, Solve 9 0/5

Subtract 18/80 from 45/5

1^st number: 9 0/5, 2^nd number: 18/80

45/5 - 18/80 is 351/40.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 5 × 16 = 80,
45/5 = 45 × 16/5 × 16 = 720/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80
Subtract the two like fractions:
720/80 - 18/80 = 720 - 18/80 = 702/80
After reducing the fraction, the answer is 351/40
In mixed form: 831/40

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