Add 28/84 and 2/12
28/84 + 2/12 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
28/84 = 28 × 1/84 × 1 = 28/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Add the two like fractions:
28/84 + 14/84 = 28 + 14/84 = 42/84 - 42/84 simplified gives 1/2
- So, 28/84 + 2/12 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+2/12 28/84+4/12 28/84+2/24 28/84+6/12 28/84+2/36 28/84+10/12 28/84+2/60 28/84+14/12 28/84+2/84