Add 35/54 and 30/80
35/54 + 30/80 is 221/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
35/54 = 35 × 40/54 × 40 = 1400/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Add the two like fractions:
1400/2160 + 810/2160 = 1400 + 810/2160 = 2210/2160 - 2210/2160 simplified gives 221/216
- So, 35/54 + 30/80 = 221/216
In mixed form: 15/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+30/80 35/54+60/80 35/54+90/80