Add 81/6 and 20/63
1st number: 13 3/6, 2nd number: 20/63
81/6 + 20/63 is 1741/126.
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,
81/6 = 81 × 21/6 × 21 = 1701/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126 - Add the two like fractions:
1701/126 + 40/126 = 1701 + 40/126 = 1741/126 - So, 81/6 + 20/63 = 1741/126
In mixed form: 13103/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+40/63 81/12+20/63 81/6+60/63 81/18+20/63 81/30+20/63 81/42+20/63