Add 21/10 and 75/24
1st number: 2 1/10, 2nd number: 3 3/24
21/10 + 75/24 is 209/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
21/10 = 21 × 12/10 × 12 = 252/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
75/24 = 75 × 5/24 × 5 = 375/120 - Add the two like fractions:
252/120 + 375/120 = 252 + 375/120 = 627/120 - 627/120 simplified gives 209/40
- So, 21/10 + 75/24 = 209/40
In mixed form: 59/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+75/24 21/20+75/24 21/10+75/48 63/10+75/24 21/30+75/24 21/10+75/72 21/50+75/24 21/70+75/24