Add 45/12 and 14/4
1st number: 3 9/12, 2nd number: 3 2/4
45/12 + 14/4 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
14/4 = 14 × 3/4 × 3 = 42/12 - Add the two like fractions:
45/12 + 42/12 = 45 + 42/12 = 87/12 - 87/12 simplified gives 29/4
- So, 45/12 + 14/4 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+14/4 45/12+28/4 45/24+14/4 45/12+14/8 45/12+42/4 45/36+14/4 45/12+14/12 45/12+70/4 45/60+14/4 45/12+14/20 45/12+98/4 45/84+14/4 45/12+14/28