Add 2/21 and 40/6
1st number: 2/21, 2nd number: 6 4/6
2/21 + 40/6 is 142/21.
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,
2/21 = 2 × 2/21 × 2 = 4/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
40/6 = 40 × 7/6 × 7 = 280/42 - Add the two like fractions:
4/42 + 280/42 = 4 + 280/42 = 284/42 - 284/42 simplified gives 142/21
- So, 2/21 + 40/6 = 142/21
In mixed form: 616/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+40/6 2/21+80/6 2/42+40/6 2/21+40/12 6/21+40/6 2/63+40/6 2/21+40/18 10/21+40/6 2/21+40/30 14/21+40/6 2/21+40/42