Subtract 20/50 from 15/2, Solve 7 1/2

Subtract 20/50 from 15/2

1^st number: 7 1/2, 2^nd number: 20/50

15/2 - 20/50 is 71/10.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50

Next, find the equivalent fraction of both fractional numbers with denominator 50
For the 1st fraction, since 2 × 25 = 50,
15/2 = 15 × 25/2 × 25 = 375/50
Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50
Subtract the two like fractions:
375/50 - 20/50 = 375 - 20/50 = 355/50
After reducing the fraction, the answer is 71/10
In mixed form: 71/10

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