Add 7/72 and 72/56
1st number: 7/72, 2nd number: 1 16/56
7/72 + 72/56 is 697/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Add the two like fractions:
49/504 + 648/504 = 49 + 648/504 = 697/504 - So, 7/72 + 72/56 = 697/504
In mixed form: 1193/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+72/56 21/72+72/56 35/72+72/56 49/72+72/56