Add 54/20 and 4/18
1st number: 2 14/20, 2nd number: 4/18
54/20 + 4/18 is 263/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
54/20 = 54 × 9/20 × 9 = 486/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
4/18 = 4 × 10/18 × 10 = 40/180 - Add the two like fractions:
486/180 + 40/180 = 486 + 40/180 = 526/180 - 526/180 simplified gives 263/90
- So, 54/20 + 4/18 = 263/90
In mixed form: 283/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+8/18 54/40+4/18 54/20+4/36 54/20+12/18 54/60+4/18 54/20+4/54 54/20+20/18 54/20+4/90 54/20+28/18