Add 42/21 and 10/6
1st number: 2 0/21, 2nd number: 1 4/6
42/21 + 10/6 is 11/3.
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,
42/21 = 42 × 2/21 × 2 = 84/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
10/6 = 10 × 7/6 × 7 = 70/42 - Add the two like fractions:
84/42 + 70/42 = 84 + 70/42 = 154/42 - 154/42 simplified gives 11/3
- So, 42/21 + 10/6 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21+10/6 42/21+20/6 42/21+10/12 42/21+30/6 42/63+10/6 42/21+10/18 42/21+50/6 42/21+10/30 42/21+70/6 42/21+10/42