Add 54/40 and 1/12
1st number: 1 14/40, 2nd number: 1/12
54/40 + 1/12 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
1/12 = 1 × 10/12 × 10 = 10/120 - Add the two like fractions:
162/120 + 10/120 = 162 + 10/120 = 172/120 - 172/120 simplified gives 43/30
- So, 54/40 + 1/12 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+2/12 54/80+1/12 54/40+1/24 54/40+3/12 54/40+1/36 54/40+5/12 54/40+1/60 54/40+7/12 54/40+1/84