Add 54/12 and 5/20
1st number: 4 6/12, 2nd number: 5/20
54/12 + 5/20 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Add the two like fractions:
270/60 + 15/60 = 270 + 15/60 = 285/60 - 285/60 simplified gives 19/4
- So, 54/12 + 5/20 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+10/20 54/24+5/20 54/12+5/40 54/12+15/20 54/36+5/20 54/12+5/60 54/12+25/20 54/60+5/20 54/12+35/20 54/84+5/20