Add 80/30 and 20/27
1st number: 2 20/30, 2nd number: 20/27
80/30 + 20/27 is 92/27.
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,
80/30 = 80 × 9/30 × 9 = 720/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Add the two like fractions:
720/270 + 200/270 = 720 + 200/270 = 920/270 - 920/270 simplified gives 92/27
- So, 80/30 + 20/27 = 92/27
In mixed form: 311/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+40/27 80/60+20/27 80/30+20/54 80/30+60/27 80/90+20/27 80/30+20/81