Add 20/54 and 18/4
1st number: 20/54, 2nd number: 4 2/4
20/54 + 18/4 is 263/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
18/4 = 18 × 27/4 × 27 = 486/108 - Add the two like fractions:
40/108 + 486/108 = 40 + 486/108 = 526/108 - 526/108 simplified gives 263/54
- So, 20/54 + 18/4 = 263/54
In mixed form: 447/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+18/4 20/54+36/4 20/54+18/8 60/54+18/4 20/54+54/4 20/54+18/12 20/54+90/4 20/54+18/20 20/54+18/28