Add 60/9 and 20/28
1st number: 6 6/9, 2nd number: 20/28
60/9 + 20/28 is 155/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
60/9 = 60 × 28/9 × 28 = 1680/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Add the two like fractions:
1680/252 + 180/252 = 1680 + 180/252 = 1860/252 - 1860/252 simplified gives 155/21
- So, 60/9 + 20/28 = 155/21
In mixed form: 78/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+40/28 60/18+20/28 60/9+20/56 60/9+60/28 60/27+20/28 60/9+20/84 60/45+20/28 60/63+20/28