Add 80/30 and 35/18
1st number: 2 20/30, 2nd number: 1 17/18
80/30 + 35/18 is 83/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
35/18 = 35 × 5/18 × 5 = 175/90 - Add the two like fractions:
240/90 + 175/90 = 240 + 175/90 = 415/90 - 415/90 simplified gives 83/18
- So, 80/30 + 35/18 = 83/18
In mixed form: 411/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+70/18 80/60+35/18 80/30+35/36 80/90+35/18 80/30+35/54 80/30+35/90