Add 18/8 and 54/60
1st number: 2 2/8, 2nd number: 54/60
18/8 + 54/60 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
54/60 = 54 × 2/60 × 2 = 108/120 - Add the two like fractions:
270/120 + 108/120 = 270 + 108/120 = 378/120 - 378/120 simplified gives 63/20
- So, 18/8 + 54/60 = 63/20
In mixed form: 33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+54/60 18/16+54/60 54/8+54/60 18/24+54/60 90/8+54/60 18/40+54/60 18/56+54/60