Add 10/6 and 20/90
1st number: 1 4/6, 2nd number: 20/90
10/6 + 20/90 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
10/6 = 10 × 15/6 × 15 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
150/90 + 20/90 = 150 + 20/90 = 170/90 - 170/90 simplified gives 17/9
- So, 10/6 + 20/90 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/6+20/90 10/6+40/90 10/12+20/90 30/6+20/90 10/6+60/90 10/18+20/90 50/6+20/90 10/30+20/90 70/6+20/90 10/42+20/90