Add 90/50 and 27/80
1st number: 1 40/50, 2nd number: 27/80
90/50 + 27/80 is 171/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
90/50 = 90 × 8/50 × 8 = 720/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
27/80 = 27 × 5/80 × 5 = 135/400 - Add the two like fractions:
720/400 + 135/400 = 720 + 135/400 = 855/400 - 855/400 simplified gives 171/80
- So, 90/50 + 27/80 = 171/80
In mixed form: 211/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+54/80 90/50+81/80