Add 8/5 and 42/7
1st number: 1 3/5, 2nd number: 6 0/7
8/5 + 42/7 is 38/5.
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,
8/5 = 8 × 7/5 × 7 = 56/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
42/7 = 42 × 5/7 × 5 = 210/35 - Add the two like fractions:
56/35 + 210/35 = 56 + 210/35 = 266/35 - 266/35 simplified gives 38/5
- So, 8/5 + 42/7 = 38/5
In mixed form: 73/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5+42/7 8/5+84/7 8/10+42/7 8/5+42/14 24/5+42/7 8/15+42/7 8/5+42/21 40/5+42/7 8/25+42/7 8/5+42/35 56/5+42/7 8/35+42/7 8/5+42/49