Add 40/10 and 3/9
1st number: 4 0/10, 2nd number: 3/9
40/10 + 3/9 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
40/10 = 40 × 9/10 × 9 = 360/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
3/9 = 3 × 10/9 × 10 = 30/90 - Add the two like fractions:
360/90 + 30/90 = 360 + 30/90 = 390/90 - 390/90 simplified gives 13/3
- So, 40/10 + 3/9 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+3/9 40/10+6/9 40/20+3/9 40/10+3/18 40/30+3/9 40/10+3/27 40/10+15/9 40/50+3/9 40/10+3/45 40/10+21/9 40/70+3/9 40/10+3/63