Add 15/7 and 98/72
1st number: 2 1/7, 2nd number: 1 26/72
15/7 + 98/72 is 883/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
15/7 = 15 × 72/7 × 72 = 1080/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
98/72 = 98 × 7/72 × 7 = 686/504 - Add the two like fractions:
1080/504 + 686/504 = 1080 + 686/504 = 1766/504 - 1766/504 simplified gives 883/252
- So, 15/7 + 98/72 = 883/252
In mixed form: 3127/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+98/72 15/14+98/72 45/7+98/72 15/21+98/72 75/7+98/72 15/35+98/72 15/49+98/72