Add 20/72 and 56/6
1st number: 20/72, 2nd number: 9 2/6
20/72 + 56/6 is 173/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
56/6 = 56 × 12/6 × 12 = 672/72 - Add the two like fractions:
20/72 + 672/72 = 20 + 672/72 = 692/72 - 692/72 simplified gives 173/18
- So, 20/72 + 56/6 = 173/18
In mixed form: 911/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/72+56/6 20/72+56/12 60/72+56/6 20/72+56/18 20/72+56/30 20/72+56/42