Add 54/27 and 18/45
1st number: 2 0/27, 2nd number: 18/45
54/27 + 18/45 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
18/45 = 18 × 3/45 × 3 = 54/135 - Add the two like fractions:
270/135 + 54/135 = 270 + 54/135 = 324/135 - 324/135 simplified gives 12/5
- So, 54/27 + 18/45 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/27+36/45 54/27+18/90 54/27+54/45 54/81+18/45 54/27+90/45