Add 42/5 and 2/7
1st number: 8 2/5, 2nd number: 2/7
42/5 + 2/7 is 304/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
42/5 = 42 × 7/5 × 7 = 294/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
2/7 = 2 × 5/7 × 5 = 10/35 - Add the two like fractions:
294/35 + 10/35 = 294 + 10/35 = 304/35 - So, 42/5 + 2/7 = 304/35
In mixed form: 824/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+2/7 42/5+4/7 42/10+2/7 42/5+2/14 42/5+6/7 42/15+2/7 42/5+2/21 42/5+10/7 42/25+2/7 42/5+2/35 42/5+14/7 42/35+2/7 42/5+2/49