Add 15/49 and 9/72
15/49 + 9/72 is 169/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
15/49 = 15 × 72/49 × 72 = 1080/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
9/72 = 9 × 49/72 × 49 = 441/3528 - Add the two like fractions:
1080/3528 + 441/3528 = 1080 + 441/3528 = 1521/3528 - 1521/3528 simplified gives 169/392
- So, 15/49 + 9/72 = 169/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49+9/72 15/49+18/72 15/98+9/72 45/49+9/72 15/49+27/72 75/49+9/72 15/49+45/72 15/49+63/72