Add 54/12 and 72/5
1st number: 4 6/12, 2nd number: 14 2/5
54/12 + 72/5 is 189/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
72/5 = 72 × 12/5 × 12 = 864/60 - Add the two like fractions:
270/60 + 864/60 = 270 + 864/60 = 1134/60 - 1134/60 simplified gives 189/10
- So, 54/12 + 72/5 = 189/10
In mixed form: 189/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+72/5 54/12+72/10 54/36+72/5 54/12+72/15 54/60+72/5 54/12+72/25 54/84+72/5 54/12+72/35