Add 3/5 and 40/7
1st number: 3/5, 2nd number: 5 5/7
3/5 + 40/7 is 221/35.
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,
3/5 = 3 × 7/5 × 7 = 21/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
40/7 = 40 × 5/7 × 5 = 200/35 - Add the two like fractions:
21/35 + 200/35 = 21 + 200/35 = 221/35 - So, 3/5 + 40/7 = 221/35
In mixed form: 611/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+40/7 3/5+80/7 3/10+40/7 3/5+40/14 9/5+40/7 3/15+40/7 3/5+40/21 15/5+40/7 3/25+40/7 3/5+40/35 21/5+40/7 3/35+40/7 3/5+40/49