Add 10/12 and 8/28
10/12 + 8/28 is 47/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
8/28 = 8 × 3/28 × 3 = 24/84 - Add the two like fractions:
70/84 + 24/84 = 70 + 24/84 = 94/84 - 94/84 simplified gives 47/42
- So, 10/12 + 8/28 = 47/42
In mixed form: 15/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+8/28 10/12+16/28 10/24+8/28 10/12+8/56 30/12+8/28 10/12+24/28 10/36+8/28 10/12+8/84 50/12+8/28 10/12+40/28 10/60+8/28 70/12+8/28 10/12+56/28 10/84+8/28