Add 7/18 and 90/10
1st number: 7/18, 2nd number: 9 0/10
7/18 + 90/10 is 169/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
90/10 = 90 × 9/10 × 9 = 810/90 - Add the two like fractions:
35/90 + 810/90 = 35 + 810/90 = 845/90 - 845/90 simplified gives 169/18
- So, 7/18 + 90/10 = 169/18
In mixed form: 97/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+90/10 7/36+90/10 7/18+90/20 21/18+90/10 7/54+90/10 7/18+90/30 35/18+90/10 7/90+90/10 7/18+90/50 49/18+90/10 7/18+90/70