Add 27/9 and 12/63
1st number: 3 0/9, 2nd number: 12/63
27/9 + 12/63 is 67/21.
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,
27/9 = 27 × 7/9 × 7 = 189/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Add the two like fractions:
189/63 + 12/63 = 189 + 12/63 = 201/63 - 201/63 simplified gives 67/21
- So, 27/9 + 12/63 = 67/21
In mixed form: 34/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+12/63 27/9+24/63 27/18+12/63 81/9+12/63 27/9+36/63 27/9+60/63 27/45+12/63 27/9+84/63 27/63+12/63