Add 40/15 and 30/10
1st number: 2 10/15, 2nd number: 3 0/10
40/15 + 30/10 is 17/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
40/15 = 40 × 2/15 × 2 = 80/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
30/10 = 30 × 3/10 × 3 = 90/30 - Add the two like fractions:
80/30 + 90/30 = 80 + 90/30 = 170/30 - 170/30 simplified gives 17/3
- So, 40/15 + 30/10 = 17/3
In mixed form: 52/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+30/10 40/15+60/10 40/30+30/10 40/15+30/20 40/15+90/10 40/45+30/10 40/75+30/10 40/15+30/50 40/15+30/70