Add 42/6 and 2/20
1st number: 7 0/6, 2nd number: 2/20
42/6 + 2/20 is 71/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
42/6 = 42 × 10/6 × 10 = 420/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Add the two like fractions:
420/60 + 6/60 = 420 + 6/60 = 426/60 - 426/60 simplified gives 71/10
- So, 42/6 + 2/20 = 71/10
In mixed form: 71/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+2/20 42/6+4/20 42/12+2/20 42/6+2/40 42/6+6/20 42/18+2/20 42/6+2/60 42/6+10/20 42/30+2/20 42/6+14/20