Add 18/63 and 45/24
1st number: 18/63, 2nd number: 1 21/24
18/63 + 45/24 is 121/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
45/24 = 45 × 21/24 × 21 = 945/504 - Add the two like fractions:
144/504 + 945/504 = 144 + 945/504 = 1089/504 - 1089/504 simplified gives 121/56
- So, 18/63 + 45/24 = 121/56
In mixed form: 29/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+45/24 18/63+90/24 18/63+45/48 54/63+45/24 18/63+45/72 90/63+45/24