Add 70/3 and 18/20
1st number: 23 1/3, 2nd number: 18/20
70/3 + 18/20 is 727/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
70/3 = 70 × 20/3 × 20 = 1400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
1400/60 + 54/60 = 1400 + 54/60 = 1454/60 - 1454/60 simplified gives 727/30
- So, 70/3 + 18/20 = 727/30
In mixed form: 247/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3+36/20 70/6+18/20 70/3+18/40 70/3+54/20 70/9+18/20 70/3+18/60 70/3+90/20 70/15+18/20 70/21+18/20