Add 45/30 and 3/9
1st number: 1 15/30, 2nd number: 3/9
45/30 + 3/9 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
3/9 = 3 × 10/9 × 10 = 30/90 - Add the two like fractions:
135/90 + 30/90 = 135 + 30/90 = 165/90 - 165/90 simplified gives 11/6
- So, 45/30 + 3/9 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+3/9 45/30+6/9 45/60+3/9 45/30+3/18 45/90+3/9 45/30+3/27 45/30+15/9 45/30+3/45 45/30+21/9 45/30+3/63