Add 63/27 and 45/54
1st number: 2 9/27, 2nd number: 45/54
63/27 + 45/54 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
63/27 = 63 × 2/27 × 2 = 126/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Add the two like fractions:
126/54 + 45/54 = 126 + 45/54 = 171/54 - 171/54 simplified gives 19/6
- So, 63/27 + 45/54 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/27+90/54 63/54+45/54 63/81+45/54