Add 21/56 and 12/14
21/56 + 12/14 is 69/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
12/14 = 12 × 4/14 × 4 = 48/56 - Add the two like fractions:
21/56 + 48/56 = 21 + 48/56 = 69/56 - So, 21/56 + 12/14 = 69/56
In mixed form: 113/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56+12/14 21/56+24/14 21/56+12/28 63/56+12/14 21/56+36/14 21/56+12/42 21/56+60/14 21/56+12/70 21/56+84/14 21/56+12/98