Add 20/18 and 81/49
1st number: 1 2/18, 2nd number: 1 32/49
20/18 + 81/49 is 1219/441.
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,
20/18 = 20 × 49/18 × 49 = 980/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
81/49 = 81 × 18/49 × 18 = 1458/882 - Add the two like fractions:
980/882 + 1458/882 = 980 + 1458/882 = 2438/882 - 2438/882 simplified gives 1219/441
- So, 20/18 + 81/49 = 1219/441
In mixed form: 2337/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+81/49 20/36+81/49 20/18+81/98 60/18+81/49 20/54+81/49 20/90+81/49