Add 54/20 and 54/40
1st number: 2 14/20, 2nd number: 1 14/40
54/20 + 54/40 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
54/20 = 54 × 2/20 × 2 = 108/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
54/40 = 54 × 1/40 × 1 = 54/40 - Add the two like fractions:
108/40 + 54/40 = 108 + 54/40 = 162/40 - 162/40 simplified gives 81/20
- So, 54/20 + 54/40 = 81/20
In mixed form: 41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+54/40 54/20+54/80 54/60+54/40