Add 90/80 and 50/27
1st number: 1 10/80, 2nd number: 1 23/27
90/80 + 50/27 is 643/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
90/80 = 90 × 27/80 × 27 = 2430/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
50/27 = 50 × 80/27 × 80 = 4000/2160 - Add the two like fractions:
2430/2160 + 4000/2160 = 2430 + 4000/2160 = 6430/2160 - 6430/2160 simplified gives 643/216
- So, 90/80 + 50/27 = 643/216
In mixed form: 2211/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+50/54 90/80+50/81