Subtract 45/80 from 12/2, Solve 6 0/2

Subtract 45/80 from 12/2

1^st number: 6 0/2, 2^nd number: 45/80

12/2 - 45/80 is 87/16.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
12/2 = 12 × 40/2 × 40 = 480/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80
Subtract the two like fractions:
480/80 - 45/80 = 480 - 45/80 = 435/80
After reducing the fraction, the answer is 87/16
In mixed form: 57/16

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