Add 18/49 and 72/9
1st number: 18/49, 2nd number: 8 0/9
18/49 + 72/9 is 410/49.
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,
18/49 = 18 × 9/49 × 9 = 162/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
72/9 = 72 × 49/9 × 49 = 3528/441 - Add the two like fractions:
162/441 + 3528/441 = 162 + 3528/441 = 3690/441 - 3690/441 simplified gives 410/49
- So, 18/49 + 72/9 = 410/49
In mixed form: 818/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49+72/9 18/98+72/9 18/49+72/18 54/49+72/9 18/49+72/27 90/49+72/9 18/49+72/45 18/49+72/63