Add 90/27 and 20/5
1st number: 3 9/27, 2nd number: 4 0/5
90/27 + 20/5 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135 - Add the two like fractions:
450/135 + 540/135 = 450 + 540/135 = 990/135 - 990/135 simplified gives 22/3
- So, 90/27 + 20/5 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+40/5 90/54+20/5 90/27+20/10 90/27+60/5 90/81+20/5 90/27+20/15 90/27+20/25 90/27+20/35