Subtract 3/45 from 3/2, Solve 1 1/2

Subtract 3/45 from 3/2

1^st number: 1 1/2, 2^nd number: 3/45

3/2 - 3/45 is 43/30.

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,
3/2 = 3 × 45/2 × 45 = 135/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90
Subtract the two like fractions:
135/90 - 6/90 = 135 - 6/90 = 129/90
After reducing the fraction, the answer is 43/30
In mixed form: 113/30

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