Add 18/75 and 27/12, Solve 18/75 + 2 3/12 as a fraction

Add 18/75 and 27/12

1^st number: 18/75, 2^nd number: 2 3/12

18/75 + 27/12 is 249/100.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
27/12 = 27 × 25/12 × 25 = 675/300
Add the two like fractions:
72/300 + 675/300 = 72 + 675/300 = 747/300
747/300 simplified gives 249/100
So, 18/75 + 27/12 = 249/100
In mixed form: 249/100

MathStep (Works offline)

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