Add 54/12 and 21/25
1st number: 4 6/12, 2nd number: 21/25
54/12 + 21/25 is 267/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
54/12 = 54 × 25/12 × 25 = 1350/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
21/25 = 21 × 12/25 × 12 = 252/300 - Add the two like fractions:
1350/300 + 252/300 = 1350 + 252/300 = 1602/300 - 1602/300 simplified gives 267/50
- So, 54/12 + 21/25 = 267/50
In mixed form: 517/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+42/25 54/24+21/25 54/12+21/50 54/12+63/25 54/36+21/25 54/12+21/75 54/60+21/25 54/84+21/25