Add 90/45 and 3/27
1st number: 2 0/45, 2nd number: 3/27
90/45 + 3/27 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
90/45 = 90 × 3/45 × 3 = 270/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
3/27 = 3 × 5/27 × 5 = 15/135 - Add the two like fractions:
270/135 + 15/135 = 270 + 15/135 = 285/135 - 285/135 simplified gives 19/9
- So, 90/45 + 3/27 = 19/9
In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+6/27 90/45+3/54 90/45+9/27 90/45+3/81 90/45+15/27 90/45+21/27