Add 10/9 and 20/63
1st number: 1 1/9, 2nd number: 20/63
10/9 + 20/63 is 10/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
10/9 = 10 × 7/9 × 7 = 70/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Add the two like fractions:
70/63 + 20/63 = 70 + 20/63 = 90/63 - 90/63 simplified gives 10/7
- So, 10/9 + 20/63 = 10/7
In mixed form: 13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+20/63 10/9+40/63 10/18+20/63 30/9+20/63 10/9+60/63 10/27+20/63 50/9+20/63 10/45+20/63 70/9+20/63 10/63+20/63