Add 42/72 and 56/9
1st number: 42/72, 2nd number: 6 2/9
42/72 + 56/9 is 245/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
56/9 = 56 × 8/9 × 8 = 448/72 - Add the two like fractions:
42/72 + 448/72 = 42 + 448/72 = 490/72 - 490/72 simplified gives 245/36
- So, 42/72 + 56/9 = 245/36
In mixed form: 629/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+56/9 42/72+56/18 42/72+56/27 42/72+56/45 42/72+56/63