Add 42/20 and 20/10
1st number: 2 2/20, 2nd number: 2 0/10
42/20 + 20/10 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
20/10 = 20 × 2/10 × 2 = 40/20 - Add the two like fractions:
42/20 + 40/20 = 42 + 40/20 = 82/20 - 82/20 simplified gives 41/10
- So, 42/20 + 20/10 = 41/10
In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+20/10 42/20+40/10 42/40+20/10 42/20+60/10 42/60+20/10 42/20+20/30 42/20+20/50 42/20+20/70