Add 3/63 and 9/20
3/63 + 9/20 is 209/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
9/20 = 9 × 63/20 × 63 = 567/1260 - Add the two like fractions:
60/1260 + 567/1260 = 60 + 567/1260 = 627/1260 - 627/1260 simplified gives 209/420
- So, 3/63 + 9/20 = 209/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63+9/20 3/63+18/20 3/63+9/40 9/63+9/20 3/63+27/20 3/63+9/60 15/63+9/20 3/63+45/20 21/63+9/20 3/63+63/20