Add 81/28 and 36/9
1st number: 2 25/28, 2nd number: 4 0/9
81/28 + 36/9 is 193/28.
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,
81/28 = 81 × 9/28 × 9 = 729/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
36/9 = 36 × 28/9 × 28 = 1008/252 - Add the two like fractions:
729/252 + 1008/252 = 729 + 1008/252 = 1737/252 - 1737/252 simplified gives 193/28
- So, 81/28 + 36/9 = 193/28
In mixed form: 625/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+72/9 81/56+36/9 81/28+36/18 81/84+36/9 81/28+36/27 81/28+36/45 81/28+36/63