Add 21/4 and 48/8
1st number: 5 1/4, 2nd number: 6 0/8
21/4 + 48/8 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
21/4 = 21 × 2/4 × 2 = 42/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
48/8 = 48 × 1/8 × 1 = 48/8 - Add the two like fractions:
42/8 + 48/8 = 42 + 48/8 = 90/8 - 90/8 simplified gives 45/4
- So, 21/4 + 48/8 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+48/8 21/4+96/8 21/8+48/8 21/4+48/16 63/4+48/8 21/12+48/8 21/4+48/24 21/20+48/8 21/4+48/40 21/28+48/8 21/4+48/56