Add 18/48 and 20/18
1st number: 18/48, 2nd number: 1 2/18
18/48 + 20/18 is 107/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
18/48 = 18 × 3/48 × 3 = 54/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
20/18 = 20 × 8/18 × 8 = 160/144 - Add the two like fractions:
54/144 + 160/144 = 54 + 160/144 = 214/144 - 214/144 simplified gives 107/72
- So, 18/48 + 20/18 = 107/72
In mixed form: 135/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48+20/18 18/48+40/18 18/96+20/18 18/48+20/36 54/48+20/18 18/48+60/18 18/48+20/54 90/48+20/18 18/48+20/90