Add 54/2 and 21/16
1st number: 27 0/2, 2nd number: 1 5/16
54/2 + 21/16 is 453/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
54/2 = 54 × 8/2 × 8 = 432/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
21/16 = 21 × 1/16 × 1 = 21/16 - Add the two like fractions:
432/16 + 21/16 = 432 + 21/16 = 453/16 - So, 54/2 + 21/16 = 453/16
In mixed form: 285/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+42/16 54/4+21/16 54/2+21/32 54/2+63/16 54/6+21/16 54/2+21/48 54/10+21/16 54/2+21/80 54/14+21/16