Add 24/8 and 72/20
1st number: 3 0/8, 2nd number: 3 12/20
24/8 + 72/20 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
24/8 = 24 × 5/8 × 5 = 120/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
72/20 = 72 × 2/20 × 2 = 144/40 - Add the two like fractions:
120/40 + 144/40 = 120 + 144/40 = 264/40 - 264/40 simplified gives 33/5
- So, 24/8 + 72/20 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/8+72/20 24/16+72/20 24/8+72/40 72/8+72/20 24/8+72/60 24/40+72/20 24/56+72/20