Add 72/28 and 5/72
1st number: 2 16/28, 2nd number: 5/72
72/28 + 5/72 is 1331/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
72/28 = 72 × 18/28 × 18 = 1296/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Add the two like fractions:
1296/504 + 35/504 = 1296 + 35/504 = 1331/504 - So, 72/28 + 5/72 = 1331/504
In mixed form: 2323/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+10/72 72/56+5/72 72/28+15/72 72/84+5/72 72/28+25/72 72/28+35/72