Add 2/54 and 21/8
1st number: 2/54, 2nd number: 2 5/8
2/54 + 21/8 is 575/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
2/54 = 2 × 4/54 × 4 = 8/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Add the two like fractions:
8/216 + 567/216 = 8 + 567/216 = 575/216 - So, 2/54 + 21/8 = 575/216
In mixed form: 2143/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54+21/8 2/54+42/8 2/54+21/16 6/54+21/8 2/54+63/8 2/54+21/24 10/54+21/8 2/54+21/40 14/54+21/8 2/54+21/56