Add 21/28 and 50/56
21/28 + 50/56 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
21/28 = 21 × 2/28 × 2 = 42/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
50/56 = 50 × 1/56 × 1 = 50/56 - Add the two like fractions:
42/56 + 50/56 = 42 + 50/56 = 92/56 - 92/56 simplified gives 23/14
- So, 21/28 + 50/56 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28+50/56 21/56+50/56 63/28+50/56 21/84+50/56