Add 9/8 and 84/9
1st number: 1 1/8, 2nd number: 9 3/9
9/8 + 84/9 is 251/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 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 9 × 8 = 72,
84/9 = 84 × 8/9 × 8 = 672/72 - Add the two like fractions:
81/72 + 672/72 = 81 + 672/72 = 753/72 - 753/72 simplified gives 251/24
- So, 9/8 + 84/9 = 251/24
In mixed form: 1011/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+84/9 9/16+84/9 9/8+84/18 27/8+84/9 9/24+84/9 9/8+84/27 45/8+84/9 9/40+84/9 9/8+84/45 63/8+84/9 9/56+84/9 9/8+84/63