Add 28/3 and 12/42
1st number: 9 1/3, 2nd number: 12/42
28/3 + 12/42 is 202/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
28/3 = 28 × 14/3 × 14 = 392/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
392/42 + 12/42 = 392 + 12/42 = 404/42 - 404/42 simplified gives 202/21
- So, 28/3 + 12/42 = 202/21
In mixed form: 913/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+12/42 28/3+24/42 28/6+12/42 28/3+12/84 84/3+12/42 28/3+36/42 28/9+12/42 28/3+60/42 28/15+12/42 28/3+84/42 28/21+12/42