Subtract 45/12 from 84/2, Solve 42 0/2

Subtract 45/12 from 84/2

1^st number: 42 0/2, 2^nd number: 3 9/12

84/2 - 45/12 is 153/4.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 2 × 6 = 12,
84/2 = 84 × 6/2 × 6 = 504/12
Likewise, for the 2nd fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12
Subtract the two like fractions:
504/12 - 45/12 = 504 - 45/12 = 459/12
After reducing the fraction, the answer is 153/4
In mixed form: 381/4

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