Add 30/9 and 50/42
1st number: 3 3/9, 2nd number: 1 8/42
30/9 + 50/42 is 95/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
30/9 = 30 × 14/9 × 14 = 420/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
50/42 = 50 × 3/42 × 3 = 150/126 - Add the two like fractions:
420/126 + 150/126 = 420 + 150/126 = 570/126 - 570/126 simplified gives 95/21
- So, 30/9 + 50/42 = 95/21
In mixed form: 411/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+50/42 30/18+50/42 30/9+50/84 90/9+50/42 30/27+50/42 30/45+50/42 30/63+50/42