Add 54/3 and 45/30
1st number: 18 0/3, 2nd number: 1 15/30
54/3 + 45/30 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
54/3 = 54 × 10/3 × 10 = 540/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Add the two like fractions:
540/30 + 45/30 = 540 + 45/30 = 585/30 - 585/30 simplified gives 39/2
- So, 54/3 + 45/30 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+90/30 54/6+45/30 54/3+45/60 54/9+45/30 54/3+45/90 54/15+45/30 54/21+45/30