Add 21/4 and 28/48
1st number: 5 1/4, 2nd number: 28/48
21/4 + 28/48 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 4 × 12 = 48,
21/4 = 21 × 12/4 × 12 = 252/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
28/48 = 28 × 1/48 × 1 = 28/48 - Add the two like fractions:
252/48 + 28/48 = 252 + 28/48 = 280/48 - 280/48 simplified gives 35/6
- So, 21/4 + 28/48 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+28/48 21/4+56/48 21/8+28/48 21/4+28/96 63/4+28/48 21/4+84/48 21/12+28/48 21/20+28/48 21/28+28/48