Add 40/10 and 45/9
1st number: 4 0/10, 2nd number: 5 0/9
40/10 + 45/9 is 9/1.
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,
45/9 = 45 × 10/9 × 10 = 450/90 - Add the two like fractions:
360/90 + 450/90 = 360 + 450/90 = 810/90 - 810/90 simplified gives 9/1
- So, 40/10 + 45/9 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+45/9 40/10+90/9 40/20+45/9 40/10+45/18 40/30+45/9 40/10+45/27 40/50+45/9 40/70+45/9 40/10+45/63