Add 90/45 and 7/27
1st number: 2 0/45, 2nd number: 7/27
90/45 + 7/27 is 61/27.
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,
7/27 = 7 × 5/27 × 5 = 35/135 - Add the two like fractions:
270/135 + 35/135 = 270 + 35/135 = 305/135 - 305/135 simplified gives 61/27
- So, 90/45 + 7/27 = 61/27
In mixed form: 27/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+14/27 90/45+7/54 90/45+21/27 90/45+7/81 90/45+35/27 90/45+49/27