Add 80/30 and 30/27
1st number: 2 20/30, 2nd number: 1 3/27
80/30 + 30/27 is 34/9.
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,
80/30 = 80 × 9/30 × 9 = 720/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Add the two like fractions:
720/270 + 300/270 = 720 + 300/270 = 1020/270 - 1020/270 simplified gives 34/9
- So, 80/30 + 30/27 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+60/27 80/60+30/27 80/30+30/54 80/30+90/27 80/90+30/27 80/30+30/81