Add 18/24 and 21/4
1st number: 18/24, 2nd number: 5 1/4
18/24 + 21/4 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 4 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
18/24 = 18 × 1/24 × 1 = 18/24 - Likewise, for the 2nd fraction, since 4 × 6 = 24,
21/4 = 21 × 6/4 × 6 = 126/24 - Add the two like fractions:
18/24 + 126/24 = 18 + 126/24 = 144/24 - 144/24 simplified gives 6/1
- So, 18/24 + 21/4 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24+21/4 18/24+42/4 18/48+21/4 18/24+21/8 54/24+21/4 18/24+63/4 18/72+21/4 18/24+21/12 90/24+21/4 18/24+21/20 18/24+21/28