Add 48/28 and 20/18
1st number: 1 20/28, 2nd number: 1 2/18
48/28 + 20/18 is 178/63.
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,
48/28 = 48 × 9/28 × 9 = 432/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Add the two like fractions:
432/252 + 280/252 = 432 + 280/252 = 712/252 - 712/252 simplified gives 178/63
- So, 48/28 + 20/18 = 178/63
In mixed form: 252/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/28+20/18 48/28+40/18 48/56+20/18 48/28+20/36 48/28+60/18 48/84+20/18 48/28+20/54 48/28+20/90