Add 45/9 and 63/20
1st number: 5 0/9, 2nd number: 3 3/20
45/9 + 63/20 is 163/20.
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,
45/9 = 45 × 20/9 × 20 = 900/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
63/20 = 63 × 9/20 × 9 = 567/180 - Add the two like fractions:
900/180 + 567/180 = 900 + 567/180 = 1467/180 - 1467/180 simplified gives 163/20
- So, 45/9 + 63/20 = 163/20
In mixed form: 83/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+63/20 45/18+63/20 45/9+63/40 45/27+63/20 45/9+63/60 45/63+63/20