Subtract 9/45 from 30/2, Solve 15 0/2

Subtract 9/45 from 30/2

1^st number: 15 0/2, 2^nd number: 9/45

30/2 - 9/45 is 74/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 2 × 45 = 90,
30/2 = 30 × 45/2 × 45 = 1350/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90
Subtract the two like fractions:
1350/90 - 18/90 = 1350 - 18/90 = 1332/90
After reducing the fraction, the answer is 74/5
In mixed form: 144/5

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