Add 45/63 and 15/10
1st number: 45/63, 2nd number: 1 5/10
45/63 + 15/10 is 31/14.
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,
45/63 = 45 × 10/63 × 10 = 450/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
15/10 = 15 × 63/10 × 63 = 945/630 - Add the two like fractions:
450/630 + 945/630 = 450 + 945/630 = 1395/630 - 1395/630 simplified gives 31/14
- So, 45/63 + 15/10 = 31/14
In mixed form: 23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+15/10 45/63+30/10 45/63+15/20 45/63+45/10 45/63+15/30 45/63+75/10 45/63+15/50 45/63+15/70