Add 18/10 and 54/12
1st number: 1 8/10, 2nd number: 4 6/12
18/10 + 54/12 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
18/10 = 18 × 6/10 × 6 = 108/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Add the two like fractions:
108/60 + 270/60 = 108 + 270/60 = 378/60 - 378/60 simplified gives 63/10
- So, 18/10 + 54/12 = 63/10
In mixed form: 63/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+54/12 18/20+54/12 18/10+54/24 54/10+54/12 18/30+54/12 18/10+54/36 90/10+54/12 18/50+54/12 18/10+54/60 18/70+54/12 18/10+54/84