Add 54/12 and 1/20
1st number: 4 6/12, 2nd number: 1/20
54/12 + 1/20 is 91/20.
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,
1/20 = 1 × 3/20 × 3 = 3/60 - Add the two like fractions:
270/60 + 3/60 = 270 + 3/60 = 273/60 - 273/60 simplified gives 91/20
- So, 54/12 + 1/20 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+2/20 54/24+1/20 54/12+1/40 54/12+3/20 54/36+1/20 54/12+1/60 54/12+5/20 54/60+1/20 54/12+7/20 54/84+1/20