Add 18/30 and 20/6
1st number: 18/30, 2nd number: 3 2/6
18/30 + 20/6 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Add the two like fractions:
18/30 + 100/30 = 18 + 100/30 = 118/30 - 118/30 simplified gives 59/15
- So, 18/30 + 20/6 = 59/15
In mixed form: 314/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+20/6 18/30+40/6 18/60+20/6 18/30+20/12 54/30+20/6 18/30+60/6 18/90+20/6 18/30+20/18 90/30+20/6 18/30+20/30 18/30+20/42