Add 54/3 and 72/15
1st number: 18 0/3, 2nd number: 4 12/15
54/3 + 72/15 is 114/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
54/3 = 54 × 5/3 × 5 = 270/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
72/15 = 72 × 1/15 × 1 = 72/15 - Add the two like fractions:
270/15 + 72/15 = 270 + 72/15 = 342/15 - 342/15 simplified gives 114/5
- So, 54/3 + 72/15 = 114/5
In mixed form: 224/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+72/15 54/3+72/30 54/9+72/15 54/3+72/45 54/15+72/15 54/3+72/75 54/21+72/15