Add 20/72 and 18/6
1st number: 20/72, 2nd number: 3 0/6
20/72 + 18/6 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
18/6 = 18 × 12/6 × 12 = 216/72 - Add the two like fractions:
20/72 + 216/72 = 20 + 216/72 = 236/72 - 236/72 simplified gives 59/18
- So, 20/72 + 18/6 = 59/18
In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/72+18/6 20/72+36/6 20/72+18/12 60/72+18/6 20/72+54/6 20/72+90/6 20/72+18/30 20/72+18/42