Add 30/49 and 18/9
1st number: 30/49, 2nd number: 2 0/9
30/49 + 18/9 is 128/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
30/49 = 30 × 9/49 × 9 = 270/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
18/9 = 18 × 49/9 × 49 = 882/441 - Add the two like fractions:
270/441 + 882/441 = 270 + 882/441 = 1152/441 - 1152/441 simplified gives 128/49
- So, 30/49 + 18/9 = 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: 60/49+18/9 30/49+36/9 30/98+18/9 90/49+18/9 30/49+54/9 30/49+18/27 30/49+90/9 30/49+18/45 30/49+18/63