Add 3/12 and 84/16
1st number: 3/12, 2nd number: 5 4/16
3/12 + 84/16 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
3/12 = 3 × 4/12 × 4 = 12/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
84/16 = 84 × 3/16 × 3 = 252/48 - Add the two like fractions:
12/48 + 252/48 = 12 + 252/48 = 264/48 - 264/48 simplified gives 11/2
- So, 3/12 + 84/16 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+84/16 3/24+84/16 3/12+84/32 9/12+84/16 3/36+84/16 3/12+84/48 15/12+84/16 3/60+84/16 3/12+84/80 21/12+84/16 3/84+84/16