Add 6/10 and 21/63
6/10 + 21/63 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
6/10 = 6 × 63/10 × 63 = 378/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
21/63 = 21 × 10/63 × 10 = 210/630 - Add the two like fractions:
378/630 + 210/630 = 378 + 210/630 = 588/630 - 588/630 simplified gives 14/15
- So, 6/10 + 21/63 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10+21/63 6/10+42/63 6/20+21/63 18/10+21/63 6/30+21/63 30/10+21/63 6/50+21/63 42/10+21/63 6/70+21/63