Add 30/63 and 15/10
1st number: 30/63, 2nd number: 1 5/10
30/63 + 15/10 is 83/42.
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,
30/63 = 30 × 10/63 × 10 = 300/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
15/10 = 15 × 63/10 × 63 = 945/630 - Add the two like fractions:
300/630 + 945/630 = 300 + 945/630 = 1245/630 - 1245/630 simplified gives 83/42
- So, 30/63 + 15/10 = 83/42
In mixed form: 141/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+15/10 30/63+30/10 30/63+15/20 90/63+15/10 30/63+45/10 30/63+15/30 30/63+75/10 30/63+15/50 30/63+15/70