Add 40/10 and 20/15
1st number: 4 0/10, 2nd number: 1 5/15
40/10 + 20/15 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Add the two like fractions:
120/30 + 40/30 = 120 + 40/30 = 160/30 - 160/30 simplified gives 16/3
- So, 40/10 + 20/15 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+20/15 40/10+40/15 40/20+20/15 40/10+20/30 40/10+60/15 40/30+20/15 40/10+20/45 40/50+20/15 40/10+20/75 40/70+20/15