Add 10/14 and 21/84
10/14 + 21/84 is 27/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
10/14 = 10 × 6/14 × 6 = 60/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
60/84 + 21/84 = 60 + 21/84 = 81/84 - 81/84 simplified gives 27/28
- So, 10/14 + 21/84 = 27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14+21/84 10/14+42/84 10/28+21/84 30/14+21/84 10/14+63/84 10/42+21/84 50/14+21/84 10/70+21/84 70/14+21/84 10/98+21/84