Add 4/42 and 30/9
1st number: 4/42, 2nd number: 3 3/9
4/42 + 30/9 is 24/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
4/42 = 4 × 3/42 × 3 = 12/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
30/9 = 30 × 14/9 × 14 = 420/126 - Add the two like fractions:
12/126 + 420/126 = 12 + 420/126 = 432/126 - 432/126 simplified gives 24/7
- So, 4/42 + 30/9 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+30/9 4/42+60/9 4/84+30/9 4/42+30/18 12/42+30/9 4/42+90/9 4/42+30/27 20/42+30/9 4/42+30/45 28/42+30/9 4/42+30/63