Add 1/30 and 80/20
1st number: 1/30, 2nd number: 4 0/20
1/30 + 80/20 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
80/20 = 80 × 3/20 × 3 = 240/60 - Add the two like fractions:
2/60 + 240/60 = 2 + 240/60 = 242/60 - 242/60 simplified gives 121/30
- So, 1/30 + 80/20 = 121/30
In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+80/20 1/60+80/20 1/30+80/40 3/30+80/20 1/90+80/20 1/30+80/60 5/30+80/20 7/30+80/20