Add 6/7 and 20/63
6/7 + 20/63 is 74/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
6/7 = 6 × 9/7 × 9 = 54/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Add the two like fractions:
54/63 + 20/63 = 54 + 20/63 = 74/63 - So, 6/7 + 20/63 = 74/63
In mixed form: 111/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+20/63 6/7+40/63 6/14+20/63 18/7+20/63 6/7+60/63 6/21+20/63 30/7+20/63 6/35+20/63 42/7+20/63 6/49+20/63