Add 21/9 and 5/63
1st number: 2 3/9, 2nd number: 5/63
21/9 + 5/63 is 152/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
21/9 = 21 × 7/9 × 7 = 147/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
5/63 = 5 × 1/63 × 1 = 5/63 - Add the two like fractions:
147/63 + 5/63 = 147 + 5/63 = 152/63 - So, 21/9 + 5/63 = 152/63
In mixed form: 226/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+5/63 21/9+10/63 21/18+5/63 63/9+5/63 21/9+15/63 21/27+5/63 21/9+25/63 21/45+5/63 21/9+35/63 21/63+5/63