Add 72/4 and 6/9
1st number: 18 0/4, 2nd number: 6/9
72/4 + 6/9 is 56/3.
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,
72/4 = 72 × 9/4 × 9 = 648/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
6/9 = 6 × 4/9 × 4 = 24/36 - Add the two like fractions:
648/36 + 24/36 = 648 + 24/36 = 672/36 - 672/36 simplified gives 56/3
- So, 72/4 + 6/9 = 56/3
In mixed form: 182/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+12/9 72/8+6/9 72/4+6/18 72/4+18/9 72/12+6/9 72/4+6/27 72/4+30/9 72/20+6/9 72/4+6/45 72/4+42/9 72/28+6/9 72/4+6/63