Add 90/80 and 25/27
1st number: 1 10/80, 2nd number: 25/27
90/80 + 25/27 is 443/216.
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,
25/27 = 25 × 80/27 × 80 = 2000/2160 - Add the two like fractions:
2430/2160 + 2000/2160 = 2430 + 2000/2160 = 4430/2160 - 4430/2160 simplified gives 443/216
- So, 90/80 + 25/27 = 443/216
In mixed form: 211/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+50/27 90/80+25/54 90/80+75/27 90/80+25/81