Add 15/2 and 20/49
1st number: 7 1/2, 2nd number: 20/49
15/2 + 20/49 is 775/98.
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,
15/2 = 15 × 49/2 × 49 = 735/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
20/49 = 20 × 2/49 × 2 = 40/98 - Add the two like fractions:
735/98 + 40/98 = 735 + 40/98 = 775/98 - So, 15/2 + 20/49 = 775/98
In mixed form: 789/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+20/49 15/2+40/49 15/4+20/49 15/2+20/98 45/2+20/49 15/2+60/49 15/6+20/49 75/2+20/49 15/10+20/49 15/14+20/49