Add 9/6 and 20/45
1st number: 1 3/6, 2nd number: 20/45
9/6 + 20/45 is 35/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
9/6 = 9 × 15/6 × 15 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Add the two like fractions:
135/90 + 40/90 = 135 + 40/90 = 175/90 - 175/90 simplified gives 35/18
- So, 9/6 + 20/45 = 35/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/6+20/45 9/6+40/45 9/12+20/45 9/6+20/90 27/6+20/45 9/6+60/45 9/18+20/45 45/6+20/45 9/30+20/45 63/6+20/45 9/42+20/45