Add 27/63 and 54/9
1st number: 27/63, 2nd number: 6 0/9
27/63 + 54/9 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
54/9 = 54 × 7/9 × 7 = 378/63 - Add the two like fractions:
27/63 + 378/63 = 27 + 378/63 = 405/63 - 405/63 simplified gives 45/7
- So, 27/63 + 54/9 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+54/9 27/63+54/18 81/63+54/9 27/63+54/27 27/63+54/45 27/63+54/63