Add 63/9 and 7/20
1st number: 7 0/9, 2nd number: 7/20
63/9 + 7/20 is 147/20.
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,
7/20 = 7 × 9/20 × 9 = 63/180 - Add the two like fractions:
1260/180 + 63/180 = 1260 + 63/180 = 1323/180 - 1323/180 simplified gives 147/20
- So, 63/9 + 7/20 = 147/20
In mixed form: 77/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9+14/20 63/18+7/20 63/9+7/40 63/9+21/20 63/27+7/20 63/9+7/60 63/9+35/20 63/45+7/20 63/9+49/20