Add 7/2 and 40/49
1st number: 3 1/2, 2nd number: 40/49
7/2 + 40/49 is 423/98.
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,
40/49 = 40 × 2/49 × 2 = 80/98 - Add the two like fractions:
343/98 + 80/98 = 343 + 80/98 = 423/98 - So, 7/2 + 40/49 = 423/98
In mixed form: 431/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+40/49 7/2+80/49 7/4+40/49 7/2+40/98 21/2+40/49 7/6+40/49 35/2+40/49 7/10+40/49 49/2+40/49 7/14+40/49