Add 63/20 and 56/18
1st number: 3 3/20, 2nd number: 3 2/18
63/20 + 56/18 is 1127/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
63/20 = 63 × 9/20 × 9 = 567/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
56/18 = 56 × 10/18 × 10 = 560/180 - Add the two like fractions:
567/180 + 560/180 = 567 + 560/180 = 1127/180 - So, 63/20 + 56/18 = 1127/180
In mixed form: 647/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+56/18 63/20+56/36 63/60+56/18 63/20+56/54 63/20+56/90