Subtract 3/36 from 84/2, Solve 42 0/2

Subtract 3/36 from 84/2

1^st number: 42 0/2, 2^nd number: 3/36

84/2 - 3/36 is 503/12.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 2 × 18 = 36,
84/2 = 84 × 18/2 × 18 = 1512/36
Likewise, for the 2nd fraction, since 36 × 1 = 36,
3/36 = 3 × 1/36 × 1 = 3/36
Subtract the two like fractions:
1512/36 - 3/36 = 1512 - 3/36 = 1509/36
After reducing the fraction, the answer is 503/12
In mixed form: 4111/12

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad