Add 20/30 and 6/27
20/30 + 6/27 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
20/30 = 20 × 9/30 × 9 = 180/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
6/27 = 6 × 10/27 × 10 = 60/270 - Add the two like fractions:
180/270 + 60/270 = 180 + 60/270 = 240/270 - 240/270 simplified gives 8/9
- So, 20/30 + 6/27 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+6/27 20/30+12/27 20/60+6/27 20/30+6/54 60/30+6/27 20/30+18/27 20/90+6/27 20/30+6/81 20/30+30/27 20/30+42/27