Add 28/18 and 81/49
1st number: 1 10/18, 2nd number: 1 32/49
28/18 + 81/49 is 1415/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
28/18 = 28 × 49/18 × 49 = 1372/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
81/49 = 81 × 18/49 × 18 = 1458/882 - Add the two like fractions:
1372/882 + 1458/882 = 1372 + 1458/882 = 2830/882 - 2830/882 simplified gives 1415/441
- So, 28/18 + 81/49 = 1415/441
In mixed form: 392/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+81/49 28/36+81/49 28/18+81/98 84/18+81/49 28/54+81/49 28/90+81/49