Add 20/8 and 72/24
1st number: 2 4/8, 2nd number: 3 0/24
20/8 + 72/24 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
72/24 = 72 × 1/24 × 1 = 72/24 - Add the two like fractions:
60/24 + 72/24 = 60 + 72/24 = 132/24 - 132/24 simplified gives 11/2
- So, 20/8 + 72/24 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+72/24 20/16+72/24 20/8+72/48 60/8+72/24 20/24+72/24 20/40+72/24 20/56+72/24