Add 15/18 and 90/10
1st number: 15/18, 2nd number: 9 0/10
15/18 + 90/10 is 59/6.
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,
15/18 = 15 × 5/18 × 5 = 75/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
90/10 = 90 × 9/10 × 9 = 810/90 - Add the two like fractions:
75/90 + 810/90 = 75 + 810/90 = 885/90 - 885/90 simplified gives 59/6
- So, 15/18 + 90/10 = 59/6
In mixed form: 95/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+90/10 15/36+90/10 15/18+90/20 45/18+90/10 15/54+90/10 15/18+90/30 75/18+90/10 15/90+90/10 15/18+90/50 15/18+90/70