Add 27/16 and 21/4
1st number: 1 11/16, 2nd number: 5 1/4
27/16 + 21/4 is 111/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 4 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
27/16 = 27 × 1/16 × 1 = 27/16 - Likewise, for the 2nd fraction, since 4 × 4 = 16,
21/4 = 21 × 4/4 × 4 = 84/16 - Add the two like fractions:
27/16 + 84/16 = 27 + 84/16 = 111/16 - So, 27/16 + 21/4 = 111/16
In mixed form: 615/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/16+21/4 27/16+42/4 27/32+21/4 27/16+21/8 81/16+21/4 27/16+63/4 27/48+21/4 27/16+21/12 27/80+21/4 27/16+21/20 27/16+21/28