Add 4/2 and 21/28
1st number: 2 0/2, 2nd number: 21/28
4/2 + 21/28 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
4/2 = 4 × 14/2 × 14 = 56/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Add the two like fractions:
56/28 + 21/28 = 56 + 21/28 = 77/28 - 77/28 simplified gives 11/4
- So, 4/2 + 21/28 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/2+21/28 4/2+42/28 4/2+21/56 12/2+21/28 4/2+63/28 4/6+21/28 4/2+21/84 20/2+21/28 4/10+21/28 28/2+21/28 4/14+21/28