Add 3/12 and 8/4
1st number: 3/12, 2nd number: 2 0/4
3/12 + 8/4 is 9/4.
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,
3/12 = 3 × 1/12 × 1 = 3/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
8/4 = 8 × 3/4 × 3 = 24/12 - Add the two like fractions:
3/12 + 24/12 = 3 + 24/12 = 27/12 - 27/12 simplified gives 9/4
- So, 3/12 + 8/4 = 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: 6/12+8/4 3/12+16/4 3/24+8/4 9/12+8/4 3/12+24/4 3/36+8/4 3/12+8/12 15/12+8/4 3/12+40/4 3/60+8/4 3/12+8/20 21/12+8/4 3/12+56/4 3/84+8/4 3/12+8/28