Add 42/5 and 27/8
1st number: 8 2/5, 2nd number: 3 3/8
42/5 + 27/8 is 471/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
27/8 = 27 × 5/8 × 5 = 135/40 - Add the two like fractions:
336/40 + 135/40 = 336 + 135/40 = 471/40 - So, 42/5 + 27/8 = 471/40
In mixed form: 1131/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+27/8 42/5+54/8 42/10+27/8 42/5+27/16 42/5+81/8 42/15+27/8 42/5+27/24 42/25+27/8 42/5+27/40 42/35+27/8 42/5+27/56