Add 10/12 and 8/84
10/12 + 8/84 is 13/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 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 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Add the two like fractions:
70/84 + 8/84 = 70 + 8/84 = 78/84 - 78/84 simplified gives 13/14
- So, 10/12 + 8/84 = 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+8/84 10/12+16/84 10/24+8/84 30/12+8/84 10/12+24/84 10/36+8/84 50/12+8/84 10/12+40/84 10/60+8/84 70/12+8/84 10/12+56/84 10/84+8/84