Add 90/28 and 60/9
1st number: 3 6/28, 2nd number: 6 6/9
90/28 + 60/9 is 415/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
60/9 = 60 × 28/9 × 28 = 1680/252 - Add the two like fractions:
810/252 + 1680/252 = 810 + 1680/252 = 2490/252 - 2490/252 simplified gives 415/42
- So, 90/28 + 60/9 = 415/42
In mixed form: 937/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+60/9 90/28+60/18 90/84+60/9 90/28+60/27 90/28+60/45 90/28+60/63