Add 42/9 and 72/27
1st number: 4 6/9, 2nd number: 2 18/27
42/9 + 72/27 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
42/9 = 42 × 3/9 × 3 = 126/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
72/27 = 72 × 1/27 × 1 = 72/27 - Add the two like fractions:
126/27 + 72/27 = 126 + 72/27 = 198/27 - 198/27 simplified gives 22/3
- So, 42/9 + 72/27 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+72/27 42/18+72/27 42/9+72/54 42/27+72/27 42/9+72/81 42/45+72/27 42/63+72/27