Add 18/63 and 15/4
1st number: 18/63, 2nd number: 3 3/4
18/63 + 15/4 is 113/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
15/4 = 15 × 63/4 × 63 = 945/252 - Add the two like fractions:
72/252 + 945/252 = 72 + 945/252 = 1017/252 - 1017/252 simplified gives 113/28
- So, 18/63 + 15/4 = 113/28
In mixed form: 41/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+15/4 18/63+30/4 18/63+15/8 54/63+15/4 18/63+45/4 18/63+15/12 90/63+15/4 18/63+75/4 18/63+15/20 18/63+15/28