Add 24/8 and 21/10
1st number: 3 0/8, 2nd number: 2 1/10
24/8 + 21/10 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 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 10 × 4 = 40,
21/10 = 21 × 4/10 × 4 = 84/40 - Add the two like fractions:
120/40 + 84/40 = 120 + 84/40 = 204/40 - 204/40 simplified gives 51/10
- So, 24/8 + 21/10 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/8+21/10 24/8+42/10 24/16+21/10 24/8+21/20 72/8+21/10 24/8+63/10 24/8+21/30 24/40+21/10 24/8+21/50 24/56+21/10 24/8+21/70