Add 15/27 and 63/20
1st number: 15/27, 2nd number: 3 3/20
15/27 + 63/20 is 667/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
63/20 = 63 × 27/20 × 27 = 1701/540 - Add the two like fractions:
300/540 + 1701/540 = 300 + 1701/540 = 2001/540 - 2001/540 simplified gives 667/180
- So, 15/27 + 63/20 = 667/180
In mixed form: 3127/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+63/20 15/54+63/20 15/27+63/40 45/27+63/20 15/81+63/20 15/27+63/60 75/27+63/20