Add 21/25 and 3/63
21/25 + 3/63 is 466/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
21/25 = 21 × 63/25 × 63 = 1323/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
3/63 = 3 × 25/63 × 25 = 75/1575 - Add the two like fractions:
1323/1575 + 75/1575 = 1323 + 75/1575 = 1398/1575 - 1398/1575 simplified gives 466/525
- So, 21/25 + 3/63 = 466/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25+3/63 21/25+6/63 21/50+3/63 63/25+3/63 21/25+9/63 21/75+3/63 21/25+15/63 21/25+21/63