Add 56/4 and 45/12
1st number: 14 0/4, 2nd number: 3 9/12
56/4 + 45/12 is 71/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
56/4 = 56 × 3/4 × 3 = 168/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Add the two like fractions:
168/12 + 45/12 = 168 + 45/12 = 213/12 - 213/12 simplified gives 71/4
- So, 56/4 + 45/12 = 71/4
In mixed form: 173/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+90/12 56/8+45/12 56/4+45/24 56/12+45/12 56/4+45/36 56/20+45/12 56/4+45/60 56/28+45/12 56/4+45/84