Add 15/9 and 40/10
1st number: 1 6/9, 2nd number: 4 0/10
15/9 + 40/10 is 17/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
40/10 = 40 × 9/10 × 9 = 360/90 - Add the two like fractions:
150/90 + 360/90 = 150 + 360/90 = 510/90 - 510/90 simplified gives 17/3
- So, 15/9 + 40/10 = 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: 30/9+40/10 15/9+80/10 15/18+40/10 15/9+40/20 45/9+40/10 15/27+40/10 15/9+40/30 75/9+40/10 15/45+40/10 15/9+40/50 15/63+40/10 15/9+40/70