Add 18/72 and 60/9
1st number: 18/72, 2nd number: 6 6/9
18/72 + 60/9 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
60/9 = 60 × 8/9 × 8 = 480/72 - Add the two like fractions:
18/72 + 480/72 = 18 + 480/72 = 498/72 - 498/72 simplified gives 83/12
- So, 18/72 + 60/9 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+60/9 18/72+60/18 54/72+60/9 18/72+60/27 90/72+60/9 18/72+60/45 18/72+60/63