Add 2/3 and 18/63
2/3 + 18/63 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
2/3 = 2 × 21/3 × 21 = 42/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63 - Add the two like fractions:
42/63 + 18/63 = 42 + 18/63 = 60/63 - 60/63 simplified gives 20/21
- So, 2/3 + 18/63 = 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3+18/63 2/3+36/63 2/6+18/63 6/3+18/63 2/3+54/63 2/9+18/63 10/3+18/63 2/3+90/63 2/15+18/63 14/3+18/63 2/21+18/63