Add 20/6 and 40/15
1st number: 3 2/6, 2nd number: 2 10/15
20/6 + 40/15 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
40/15 = 40 × 2/15 × 2 = 80/30 - Add the two like fractions:
100/30 + 80/30 = 100 + 80/30 = 180/30 - 180/30 simplified gives 6/1
- So, 20/6 + 40/15 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+40/15 20/6+80/15 20/12+40/15 20/6+40/30 60/6+40/15 20/18+40/15 20/6+40/45 20/30+40/15 20/6+40/75 20/42+40/15