Add 10/4 and 72/9
1st number: 2 2/4, 2nd number: 8 0/9
10/4 + 72/9 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
10/4 = 10 × 9/4 × 9 = 90/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Add the two like fractions:
90/36 + 288/36 = 90 + 288/36 = 378/36 - 378/36 simplified gives 21/2
- So, 10/4 + 72/9 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4+72/9 10/8+72/9 10/4+72/18 30/4+72/9 10/12+72/9 10/4+72/27 50/4+72/9 10/20+72/9 10/4+72/45 70/4+72/9 10/28+72/9 10/4+72/63