Add 30/42 and 28/9
1st number: 30/42, 2nd number: 3 1/9
30/42 + 28/9 is 241/63.
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,
30/42 = 30 × 3/42 × 3 = 90/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
28/9 = 28 × 14/9 × 14 = 392/126 - Add the two like fractions:
90/126 + 392/126 = 90 + 392/126 = 482/126 - 482/126 simplified gives 241/63
- So, 30/42 + 28/9 = 241/63
In mixed form: 352/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+28/9 30/42+56/9 30/84+28/9 30/42+28/18 90/42+28/9 30/42+84/9 30/42+28/27 30/42+28/45 30/42+28/63