Add 63/9 and 2/20
1st number: 7 0/9, 2nd number: 2/20
63/9 + 2/20 is 71/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
63/9 = 63 × 20/9 × 20 = 1260/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Add the two like fractions:
1260/180 + 18/180 = 1260 + 18/180 = 1278/180 - 1278/180 simplified gives 71/10
- So, 63/9 + 2/20 = 71/10
In mixed form: 71/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9+4/20 63/18+2/20 63/9+2/40 63/9+6/20 63/27+2/20 63/9+2/60 63/9+10/20 63/45+2/20 63/9+14/20