Add 9/63 and 36/18
1st number: 9/63, 2nd number: 2 0/18
9/63 + 36/18 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
9/63 = 9 × 2/63 × 2 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126 - Add the two like fractions:
18/126 + 252/126 = 18 + 252/126 = 270/126 - 270/126 simplified gives 15/7
- So, 9/63 + 36/18 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+36/18 9/63+72/18 27/63+36/18 9/63+36/54 45/63+36/18 9/63+36/90