Add 54/40 and 5/12
1st number: 1 14/40, 2nd number: 5/12
54/40 + 5/12 is 53/30.
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,
5/12 = 5 × 10/12 × 10 = 50/120 - Add the two like fractions:
162/120 + 50/120 = 162 + 50/120 = 212/120 - 212/120 simplified gives 53/30
- So, 54/40 + 5/12 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+10/12 54/80+5/12 54/40+5/24 54/40+15/12 54/40+5/36 54/40+25/12 54/40+5/60 54/40+35/12 54/40+5/84