Add 18/10 and 1/9
1st number: 1 8/10, 2nd number: 1/9
18/10 + 1/9 is 86/45.
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,
18/10 = 18 × 9/10 × 9 = 162/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
1/9 = 1 × 10/9 × 10 = 10/90 - Add the two like fractions:
162/90 + 10/90 = 162 + 10/90 = 172/90 - 172/90 simplified gives 86/45
- So, 18/10 + 1/9 = 86/45
In mixed form: 141/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+1/9 18/10+2/9 18/20+1/9 18/10+1/18 54/10+1/9 18/10+3/9 18/30+1/9 18/10+1/27 90/10+1/9 18/10+5/9 18/50+1/9 18/10+1/45 18/10+7/9 18/70+1/9 18/10+1/63