Subtract 15/80 from 5/2, Solve 2 1/2

Subtract 15/80 from 5/2

1^st number: 2 1/2, 2^nd number: 15/80

5/2 - 15/80 is 37/16.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
5/2 = 5 × 40/2 × 40 = 200/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80
Subtract the two like fractions:
200/80 - 15/80 = 200 - 15/80 = 185/80
After reducing the fraction, the answer is 37/16
In mixed form: 25/16

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