Add 30/42 and 45/6
1st number: 30/42, 2nd number: 7 3/6
30/42 + 45/6 is 115/14.
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,
30/42 = 30 × 1/42 × 1 = 30/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Add the two like fractions:
30/42 + 315/42 = 30 + 315/42 = 345/42 - 345/42 simplified gives 115/14
- So, 30/42 + 45/6 = 115/14
In mixed form: 83/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+45/6 30/42+90/6 30/84+45/6 30/42+45/12 90/42+45/6 30/42+45/18 30/42+45/30 30/42+45/42