Add 15/2 and 18/63
1st number: 7 1/2, 2nd number: 18/63
15/2 + 18/63 is 109/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Add the two like fractions:
945/126 + 36/126 = 945 + 36/126 = 981/126 - 981/126 simplified gives 109/14
- So, 15/2 + 18/63 = 109/14
In mixed form: 711/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+18/63 15/2+36/63 15/4+18/63 45/2+18/63 15/2+54/63 15/6+18/63 75/2+18/63 15/2+90/63 15/10+18/63 15/14+18/63