Add 6/8 and 45/54
6/8 + 45/54 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
6/8 = 6 × 27/8 × 27 = 162/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Add the two like fractions:
162/216 + 180/216 = 162 + 180/216 = 342/216 - 342/216 simplified gives 19/12
- So, 6/8 + 45/54 = 19/12
In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+45/54 6/8+90/54 6/16+45/54 18/8+45/54 6/24+45/54 30/8+45/54 6/40+45/54 42/8+45/54 6/56+45/54