Add 72/7 and 27/8
1st number: 10 2/7, 2nd number: 3 3/8
72/7 + 27/8 is 765/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
72/7 = 72 × 8/7 × 8 = 576/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
27/8 = 27 × 7/8 × 7 = 189/56 - Add the two like fractions:
576/56 + 189/56 = 576 + 189/56 = 765/56 - So, 72/7 + 27/8 = 765/56
In mixed form: 1337/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+54/8 72/14+27/8 72/7+27/16 72/7+81/8 72/21+27/8 72/7+27/24 72/35+27/8 72/7+27/40 72/49+27/8 72/7+27/56