Add 9/21 and 8/6
1st number: 9/21, 2nd number: 1 2/6
9/21 + 8/6 is 37/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
9/21 = 9 × 2/21 × 2 = 18/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
8/6 = 8 × 7/6 × 7 = 56/42 - Add the two like fractions:
18/42 + 56/42 = 18 + 56/42 = 74/42 - 74/42 simplified gives 37/21
- So, 9/21 + 8/6 = 37/21
In mixed form: 116/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21+8/6 9/21+16/6 9/42+8/6 9/21+8/12 27/21+8/6 9/21+24/6 9/63+8/6 9/21+8/18 45/21+8/6 9/21+40/6 9/21+8/30 63/21+8/6 9/21+56/6 9/21+8/42