Add 40/42 and 30/6
1st number: 40/42, 2nd number: 5 0/6
40/42 + 30/6 is 125/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
40/42 = 40 × 1/42 × 1 = 40/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
30/6 = 30 × 7/6 × 7 = 210/42 - Add the two like fractions:
40/42 + 210/42 = 40 + 210/42 = 250/42 - 250/42 simplified gives 125/21
- So, 40/42 + 30/6 = 125/21
In mixed form: 520/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+30/6 40/42+60/6 40/84+30/6 40/42+30/12 40/42+90/6 40/42+30/18 40/42+30/42