Add 10/28 and 2/12
10/28 + 2/12 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
10/28 = 10 × 3/28 × 3 = 30/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Add the two like fractions:
30/84 + 14/84 = 30 + 14/84 = 44/84 - 44/84 simplified gives 11/21
- So, 10/28 + 2/12 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+2/12 10/28+4/12 10/56+2/12 10/28+2/24 30/28+2/12 10/28+6/12 10/84+2/12 10/28+2/36 50/28+2/12 10/28+10/12 10/28+2/60 70/28+2/12 10/28+14/12 10/28+2/84