Add 30/9 and 7/5
1st number: 3 3/9, 2nd number: 1 2/5
30/9 + 7/5 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
7/5 = 7 × 9/5 × 9 = 63/45 - Add the two like fractions:
150/45 + 63/45 = 150 + 63/45 = 213/45 - 213/45 simplified gives 71/15
- So, 30/9 + 7/5 = 71/15
In mixed form: 411/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+7/5 30/9+14/5 30/18+7/5 30/9+7/10 90/9+7/5 30/9+21/5 30/27+7/5 30/9+7/15 30/9+35/5 30/45+7/5 30/9+7/25 30/9+49/5 30/63+7/5 30/9+7/35