Add 18/63 and 36/9
1st number: 18/63, 2nd number: 4 0/9
18/63 + 36/9 is 30/7.
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,
18/63 = 18 × 1/63 × 1 = 18/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
36/9 = 36 × 7/9 × 7 = 252/63 - Add the two like fractions:
18/63 + 252/63 = 18 + 252/63 = 270/63 - 270/63 simplified gives 30/7
- So, 18/63 + 36/9 = 30/7
In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+36/9 18/63+72/9 18/63+36/18 54/63+36/9 18/63+36/27 90/63+36/9 18/63+36/45 18/63+36/63