Add 9/2 and 72/9
1st number: 4 1/2, 2nd number: 8 0/9
9/2 + 72/9 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
9/2 = 9 × 9/2 × 9 = 81/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
72/9 = 72 × 2/9 × 2 = 144/18 - Add the two like fractions:
81/18 + 144/18 = 81 + 144/18 = 225/18 - 225/18 simplified gives 25/2
- So, 9/2 + 72/9 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+72/9 9/4+72/9 9/2+72/18 27/2+72/9 9/6+72/9 9/2+72/27 45/2+72/9 9/10+72/9 9/2+72/45 63/2+72/9 9/14+72/9 9/2+72/63