Subtract 9/90 from 72/2, Solve 36 0/2

Subtract 9/90 from 72/2

1^st number: 36 0/2, 2^nd number: 9/90

72/2 - 9/90 is 359/10.

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

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 2 × 45 = 90,
72/2 = 72 × 45/2 × 45 = 3240/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90
Subtract the two like fractions:
3240/90 - 9/90 = 3240 - 9/90 = 3231/90
After reducing the fraction, the answer is 359/10
In mixed form: 359/10

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