Add 27/4 and 63/20
1st number: 6 3/4, 2nd number: 3 3/20
27/4 + 63/20 is 99/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
27/4 = 27 × 5/4 × 5 = 135/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Add the two like fractions:
135/20 + 63/20 = 135 + 63/20 = 198/20 - 198/20 simplified gives 99/10
- So, 27/4 + 63/20 = 99/10
In mixed form: 99/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+63/20 27/8+63/20 27/4+63/40 81/4+63/20 27/12+63/20 27/4+63/60 27/20+63/20 27/28+63/20