Add 20/6 and 9/63
1st number: 3 2/6, 2nd number: 9/63
20/6 + 9/63 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
20/6 = 20 × 21/6 × 21 = 420/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
9/63 = 9 × 2/63 × 2 = 18/126 - Add the two like fractions:
420/126 + 18/126 = 420 + 18/126 = 438/126 - 438/126 simplified gives 73/21
- So, 20/6 + 9/63 = 73/21
In mixed form: 310/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+9/63 20/6+18/63 20/12+9/63 60/6+9/63 20/6+27/63 20/18+9/63 20/6+45/63 20/30+9/63 20/42+9/63