Add 10/20 and 40/15
1st number: 10/20, 2nd number: 2 10/15
10/20 + 40/15 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Add the two like fractions:
30/60 + 160/60 = 30 + 160/60 = 190/60 - 190/60 simplified gives 19/6
- So, 10/20 + 40/15 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+80/15 10/40+40/15 10/20+40/30 30/20+40/15 10/60+40/15 10/20+40/45 50/20+40/15 10/20+40/75 70/20+40/15