Subtract 72/5 from 90/2, Solve 45 0/2

Subtract 72/5 from 90/2

1^st number: 45 0/2, 2^nd number: 14 2/5

90/2 - 72/5 is 153/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10
For the 1st fraction, since 2 × 5 = 10,
90/2 = 90 × 5/2 × 5 = 450/10
Likewise, for the 2nd fraction, since 5 × 2 = 10,
72/5 = 72 × 2/5 × 2 = 144/10
Subtract the two like fractions:
450/10 - 144/10 = 450 - 144/10 = 306/10
After reducing the fraction, the answer is 153/5
In mixed form: 303/5

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