Add 42/10 and 6/20
1st number: 4 2/10, 2nd number: 6/20
42/10 + 6/20 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
42/10 = 42 × 2/10 × 2 = 84/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
6/20 = 6 × 1/20 × 1 = 6/20 - Add the two like fractions:
84/20 + 6/20 = 84 + 6/20 = 90/20 - 90/20 simplified gives 9/2
- So, 42/10 + 6/20 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+6/20 42/10+12/20 42/20+6/20 42/10+6/40 42/10+18/20 42/30+6/20 42/10+6/60 42/10+30/20 42/50+6/20 42/10+42/20 42/70+6/20