Add 48/18 and 18/20
1st number: 2 12/18, 2nd number: 18/20
48/18 + 18/20 is 107/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
48/18 = 48 × 10/18 × 10 = 480/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
18/20 = 18 × 9/20 × 9 = 162/180 - Add the two like fractions:
480/180 + 162/180 = 480 + 162/180 = 642/180 - 642/180 simplified gives 107/30
- So, 48/18 + 18/20 = 107/30
In mixed form: 317/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/18+18/20 48/18+36/20 48/36+18/20 48/18+18/40 48/18+54/20 48/54+18/20 48/18+18/60 48/18+90/20 48/90+18/20