Add 7/2 and 81/49
1st number: 3 1/2, 2nd number: 1 32/49
7/2 + 81/49 is 505/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
7/2 = 7 × 49/2 × 49 = 343/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
81/49 = 81 × 2/49 × 2 = 162/98 - Add the two like fractions:
343/98 + 162/98 = 343 + 162/98 = 505/98 - So, 7/2 + 81/49 = 505/98
In mixed form: 515/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+81/49 7/4+81/49 7/2+81/98 21/2+81/49 7/6+81/49 35/2+81/49 7/10+81/49 49/2+81/49 7/14+81/49