Add 20/9 and 72/54
1st number: 2 2/9, 2nd number: 1 18/54
20/9 + 72/54 is 32/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
20/9 = 20 × 6/9 × 6 = 120/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
72/54 = 72 × 1/54 × 1 = 72/54 - Add the two like fractions:
120/54 + 72/54 = 120 + 72/54 = 192/54 - 192/54 simplified gives 32/9
- So, 20/9 + 72/54 = 32/9
In mixed form: 35/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+72/54 20/18+72/54 60/9+72/54 20/27+72/54 20/45+72/54 20/63+72/54