Add 3/9 and 56/42
1st number: 3/9, 2nd number: 1 14/42
3/9 + 56/42 is 5/3.
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,
3/9 = 3 × 14/9 × 14 = 42/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126 - Add the two like fractions:
42/126 + 168/126 = 42 + 168/126 = 210/126 - 210/126 simplified gives 5/3
- So, 3/9 + 56/42 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+56/42 3/18+56/42 3/9+56/84 3/27+56/42 15/9+56/42 3/45+56/42 21/9+56/42 3/63+56/42