Add 28/80 and 25/54
28/80 + 25/54 is 439/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
28/80 = 28 × 27/80 × 27 = 756/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
25/54 = 25 × 40/54 × 40 = 1000/2160 - Add the two like fractions:
756/2160 + 1000/2160 = 756 + 1000/2160 = 1756/2160 - 1756/2160 simplified gives 439/540
- So, 28/80 + 25/54 = 439/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+25/54 28/80+50/54 84/80+25/54 28/80+75/54