Add 27/10 and 81/24
1st number: 2 7/10, 2nd number: 3 9/24
27/10 + 81/24 is 243/40.
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,
27/10 = 27 × 12/10 × 12 = 324/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Add the two like fractions:
324/120 + 405/120 = 324 + 405/120 = 729/120 - 729/120 simplified gives 243/40
- So, 27/10 + 81/24 = 243/40
In mixed form: 63/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+81/24 27/20+81/24 27/10+81/48 81/10+81/24 27/30+81/24 27/10+81/72 27/50+81/24 27/70+81/24