Add 54/63 and 18/6
1st number: 54/63, 2nd number: 3 0/6
54/63 + 18/6 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
54/63 = 54 × 2/63 × 2 = 108/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
18/6 = 18 × 21/6 × 21 = 378/126 - Add the two like fractions:
108/126 + 378/126 = 108 + 378/126 = 486/126 - 486/126 simplified gives 27/7
- So, 54/63 + 18/6 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+36/6 54/63+18/12 54/63+54/6 54/63+90/6 54/63+18/30 54/63+18/42