Add 56/28 and 3/12
1st number: 2 0/28, 2nd number: 3/12
56/28 + 3/12 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
56/28 = 56 × 3/28 × 3 = 168/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Add the two like fractions:
168/84 + 21/84 = 168 + 21/84 = 189/84 - 189/84 simplified gives 9/4
- So, 56/28 + 3/12 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+6/12 56/28+3/24 56/28+9/12 56/84+3/12 56/28+3/36 56/28+15/12 56/28+3/60 56/28+21/12 56/28+3/84