Add 63/27 and 90/18
1st number: 2 9/27, 2nd number: 5 0/18
63/27 + 90/18 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 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 18 × 3 = 54,
90/18 = 90 × 3/18 × 3 = 270/54 - Add the two like fractions:
126/54 + 270/54 = 126 + 270/54 = 396/54 - 396/54 simplified gives 22/3
- So, 63/27 + 90/18 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54+90/18 63/27+90/36 63/81+90/18 63/27+90/54