Add 9/8 and 28/36
1st number: 1 1/8, 2nd number: 28/36
9/8 + 28/36 is 137/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
9/8 = 9 × 9/8 × 9 = 81/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
28/36 = 28 × 2/36 × 2 = 56/72 - Add the two like fractions:
81/72 + 56/72 = 81 + 56/72 = 137/72 - So, 9/8 + 28/36 = 137/72
In mixed form: 165/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+28/36 9/8+56/36 9/16+28/36 9/8+28/72 27/8+28/36 9/8+84/36 9/24+28/36 45/8+28/36 9/40+28/36 63/8+28/36 9/56+28/36