Add 54/20 and 40/30
1st number: 2 14/20, 2nd number: 1 10/30
54/20 + 40/30 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
54/20 = 54 × 3/20 × 3 = 162/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Add the two like fractions:
162/60 + 80/60 = 162 + 80/60 = 242/60 - 242/60 simplified gives 121/30
- So, 54/20 + 40/30 = 121/30
In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+80/30 54/40+40/30 54/20+40/60 54/60+40/30 54/20+40/90