Add 30/28 and 48/18
1st number: 1 2/28, 2nd number: 2 12/18
30/28 + 48/18 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
48/18 = 48 × 14/18 × 14 = 672/252 - Add the two like fractions:
270/252 + 672/252 = 270 + 672/252 = 942/252 - 942/252 simplified gives 157/42
- So, 30/28 + 48/18 = 157/42
In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+48/18 30/28+96/18 30/56+48/18 30/28+48/36 90/28+48/18 30/84+48/18 30/28+48/54 30/28+48/90