Add 4/10 and 20/9
1st number: 4/10, 2nd number: 2 2/9
4/10 + 20/9 is 118/45.
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,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Add the two like fractions:
36/90 + 200/90 = 36 + 200/90 = 236/90 - 236/90 simplified gives 118/45
- So, 4/10 + 20/9 = 118/45
In mixed form: 228/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+20/9 4/10+40/9 4/20+20/9 4/10+20/18 12/10+20/9 4/10+60/9 4/30+20/9 4/10+20/27 20/10+20/9 4/50+20/9 4/10+20/45 28/10+20/9 4/70+20/9 4/10+20/63