Add 42/5 and 27/10
1st number: 8 2/5, 2nd number: 2 7/10
42/5 + 27/10 is 111/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
42/5 = 42 × 2/5 × 2 = 84/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
27/10 = 27 × 1/10 × 1 = 27/10 - Add the two like fractions:
84/10 + 27/10 = 84 + 27/10 = 111/10 - So, 42/5 + 27/10 = 111/10
In mixed form: 111/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+27/10 42/5+54/10 42/10+27/10 42/5+27/20 42/5+81/10 42/15+27/10 42/5+27/30 42/25+27/10 42/5+27/50 42/35+27/10 42/5+27/70