Add 20/10 and 42/5
1st number: 2 0/10, 2nd number: 8 2/5
20/10 + 42/5 is 52/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
42/5 = 42 × 2/5 × 2 = 84/10 - Add the two like fractions:
20/10 + 84/10 = 20 + 84/10 = 104/10 - 104/10 simplified gives 52/5
- So, 20/10 + 42/5 = 52/5
In mixed form: 102/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+42/5 20/10+84/5 20/10+42/10 60/10+42/5 20/30+42/5 20/10+42/15 20/50+42/5 20/10+42/25 20/70+42/5 20/10+42/35