Add 21/2 and 2/27
1st number: 10 1/2, 2nd number: 2/27
21/2 + 2/27 is 571/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
21/2 = 21 × 27/2 × 27 = 567/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
2/27 = 2 × 2/27 × 2 = 4/54 - Add the two like fractions:
567/54 + 4/54 = 567 + 4/54 = 571/54 - So, 21/2 + 2/27 = 571/54
In mixed form: 1031/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+2/27 21/2+4/27 21/4+2/27 21/2+2/54 63/2+2/27 21/2+6/27 21/6+2/27 21/2+2/81 21/2+10/27 21/10+2/27 21/2+14/27 21/14+2/27