Add 28/63 and 15/10
1st number: 28/63, 2nd number: 1 5/10
28/63 + 15/10 is 35/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
28/63 = 28 × 10/63 × 10 = 280/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
15/10 = 15 × 63/10 × 63 = 945/630 - Add the two like fractions:
280/630 + 945/630 = 280 + 945/630 = 1225/630 - 1225/630 simplified gives 35/18
- So, 28/63 + 15/10 = 35/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+15/10 28/63+30/10 28/63+15/20 84/63+15/10 28/63+45/10 28/63+15/30 28/63+75/10 28/63+15/50 28/63+15/70