Add 80/30 and 2/5
1st number: 2 20/30, 2nd number: 2/5
80/30 + 2/5 is 46/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
2/5 = 2 × 6/5 × 6 = 12/30 - Add the two like fractions:
80/30 + 12/30 = 80 + 12/30 = 92/30 - 92/30 simplified gives 46/15
- So, 80/30 + 2/5 = 46/15
In mixed form: 31/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+4/5 80/60+2/5 80/30+2/10 80/30+6/5 80/90+2/5 80/30+2/15 80/30+10/5 80/30+2/25 80/30+14/5 80/30+2/35