Add 2/3 and 42/20
1st number: 2/3, 2nd number: 2 2/20
2/3 + 42/20 is 83/30.
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,
2/3 = 2 × 20/3 × 20 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Add the two like fractions:
40/60 + 126/60 = 40 + 126/60 = 166/60 - 166/60 simplified gives 83/30
- So, 2/3 + 42/20 = 83/30
In mixed form: 223/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3+42/20 2/3+84/20 2/6+42/20 2/3+42/40 6/3+42/20 2/9+42/20 2/3+42/60 10/3+42/20 2/15+42/20 14/3+42/20 2/21+42/20