Add 36/63 and 30/18
1st number: 36/63, 2nd number: 1 12/18
36/63 + 30/18 is 47/21.
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,
36/63 = 36 × 2/63 × 2 = 72/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Add the two like fractions:
72/126 + 210/126 = 72 + 210/126 = 282/126 - 282/126 simplified gives 47/21
- So, 36/63 + 30/18 = 47/21
In mixed form: 25/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+30/18 36/63+60/18 36/63+30/36 36/63+90/18 36/63+30/54 36/63+30/90