Add 10/54 and 21/3
1st number: 10/54, 2nd number: 7 0/3
10/54 + 21/3 is 194/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
10/54 = 10 × 1/54 × 1 = 10/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
21/3 = 21 × 18/3 × 18 = 378/54 - Add the two like fractions:
10/54 + 378/54 = 10 + 378/54 = 388/54 - 388/54 simplified gives 194/27
- So, 10/54 + 21/3 = 194/27
In mixed form: 75/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54+21/3 10/54+42/3 10/54+21/6 30/54+21/3 10/54+63/3 10/54+21/9 50/54+21/3 10/54+21/15 70/54+21/3