Add 27/28 and 72/9
1st number: 27/28, 2nd number: 8 0/9
27/28 + 72/9 is 251/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
27/28 = 27 × 9/28 × 9 = 243/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
72/9 = 72 × 28/9 × 28 = 2016/252 - Add the two like fractions:
243/252 + 2016/252 = 243 + 2016/252 = 2259/252 - 2259/252 simplified gives 251/28
- So, 27/28 + 72/9 = 251/28
In mixed form: 827/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+72/9 27/56+72/9 27/28+72/18 81/28+72/9 27/84+72/9 27/28+72/27 27/28+72/45 27/28+72/63