Add 6/5 and 2/21
1st number: 1 1/5, 2nd number: 2/21
6/5 + 2/21 is 136/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
6/5 = 6 × 21/5 × 21 = 126/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105 - Add the two like fractions:
126/105 + 10/105 = 126 + 10/105 = 136/105 - So, 6/5 + 2/21 = 136/105
In mixed form: 131/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5+2/21 6/5+4/21 6/10+2/21 6/5+2/42 18/5+2/21 6/5+6/21 6/15+2/21 6/5+2/63 30/5+2/21 6/5+10/21 6/25+2/21 42/5+2/21 6/5+14/21 6/35+2/21