Add 24/18 and 21/8
1st number: 1 6/18, 2nd number: 2 5/8
24/18 + 21/8 is 95/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
24/18 = 24 × 4/18 × 4 = 96/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
21/8 = 21 × 9/8 × 9 = 189/72 - Add the two like fractions:
96/72 + 189/72 = 96 + 189/72 = 285/72 - 285/72 simplified gives 95/24
- So, 24/18 + 21/8 = 95/24
In mixed form: 323/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/18+21/8 24/18+42/8 24/36+21/8 24/18+21/16 72/18+21/8 24/18+63/8 24/54+21/8 24/18+21/24 24/90+21/8 24/18+21/40 24/18+21/56