Add 20/8 and 6/72
1st number: 2 4/8, 2nd number: 6/72
20/8 + 6/72 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Add the two like fractions:
180/72 + 6/72 = 180 + 6/72 = 186/72 - 186/72 simplified gives 31/12
- So, 20/8 + 6/72 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+6/72 20/8+12/72 20/16+6/72 60/8+6/72 20/8+18/72 20/24+6/72 20/8+30/72 20/40+6/72 20/8+42/72 20/56+6/72