Add 45/54 and 4/12
45/54 + 4/12 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
45/54 = 45 × 2/54 × 2 = 90/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
4/12 = 4 × 9/12 × 9 = 36/108 - Add the two like fractions:
90/108 + 36/108 = 90 + 36/108 = 126/108 - 126/108 simplified gives 7/6
- So, 45/54 + 4/12 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+4/12 45/54+8/12 45/54+4/24 45/54+4/36 45/54+20/12 45/54+4/60 45/54+28/12 45/54+4/84