Add 72/12 and 18/8
1st number: 6 0/12, 2nd number: 2 2/8
72/12 + 18/8 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
72/12 = 72 × 2/12 × 2 = 144/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
18/8 = 18 × 3/8 × 3 = 54/24 - Add the two like fractions:
144/24 + 54/24 = 144 + 54/24 = 198/24 - 198/24 simplified gives 33/4
- So, 72/12 + 18/8 = 33/4
In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+36/8 72/24+18/8 72/12+18/16 72/12+54/8 72/36+18/8 72/12+18/24 72/12+90/8 72/60+18/8 72/12+18/40 72/84+18/8 72/12+18/56