Add 30/84 and 15/49
30/84 + 15/49 is 65/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
30/84 = 30 × 7/84 × 7 = 210/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
15/49 = 15 × 12/49 × 12 = 180/588 - Add the two like fractions:
210/588 + 180/588 = 210 + 180/588 = 390/588 - 390/588 simplified gives 65/98
- So, 30/84 + 15/49 = 65/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+15/49 30/84+30/49 30/84+15/98 90/84+15/49 30/84+45/49 30/84+75/49