Add 15/4 and 27/63
1st number: 3 3/4, 2nd number: 27/63
15/4 + 27/63 is 117/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
15/4 = 15 × 63/4 × 63 = 945/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
27/63 = 27 × 4/63 × 4 = 108/252 - Add the two like fractions:
945/252 + 108/252 = 945 + 108/252 = 1053/252 - 1053/252 simplified gives 117/28
- So, 15/4 + 27/63 = 117/28
In mixed form: 45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+27/63 15/4+54/63 15/8+27/63 45/4+27/63 15/4+81/63 15/12+27/63 75/4+27/63 15/20+27/63 15/28+27/63