Add 18/9 and 30/49
1st number: 2 0/9, 2nd number: 30/49
18/9 + 30/49 is 128/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
18/9 = 18 × 49/9 × 49 = 882/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
30/49 = 30 × 9/49 × 9 = 270/441 - Add the two like fractions:
882/441 + 270/441 = 882 + 270/441 = 1152/441 - 1152/441 simplified gives 128/49
- So, 18/9 + 30/49 = 128/49
In mixed form: 230/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+30/49 18/9+60/49 18/9+30/98 54/9+30/49 18/9+90/49 18/27+30/49 90/9+30/49 18/45+30/49 18/63+30/49