Add 72/56 and 8/9
1st number: 1 16/56, 2nd number: 8/9
72/56 + 8/9 is 137/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
8/9 = 8 × 56/9 × 56 = 448/504 - Add the two like fractions:
648/504 + 448/504 = 648 + 448/504 = 1096/504 - 1096/504 simplified gives 137/63
- So, 72/56 + 8/9 = 137/63
In mixed form: 211/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56+16/9 72/56+8/18 72/56+24/9 72/56+8/27 72/56+40/9 72/56+8/45 72/56+56/9 72/56+8/63