Add 30/98 and 15/72
30/98 + 15/72 is 605/1176.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
30/98 = 30 × 36/98 × 36 = 1080/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
15/72 = 15 × 49/72 × 49 = 735/3528 - Add the two like fractions:
1080/3528 + 735/3528 = 1080 + 735/3528 = 1815/3528 - 1815/3528 simplified gives 605/1176
- So, 30/98 + 15/72 = 605/1176
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98+15/72 30/98+30/72 90/98+15/72 30/98+45/72 30/98+75/72