Add 63/15 and 20/27
1st number: 4 3/15, 2nd number: 20/27
63/15 + 20/27 is 667/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
63/15 = 63 × 9/15 × 9 = 567/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Add the two like fractions:
567/135 + 100/135 = 567 + 100/135 = 667/135 - So, 63/15 + 20/27 = 667/135
In mixed form: 4127/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+40/27 63/30+20/27 63/15+20/54 63/15+60/27 63/45+20/27 63/15+20/81 63/75+20/27