Add 28/80 and 98/54
1st number: 28/80, 2nd number: 1 44/54
28/80 + 98/54 is 1169/540.
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,
98/54 = 98 × 40/54 × 40 = 3920/2160 - Add the two like fractions:
756/2160 + 3920/2160 = 756 + 3920/2160 = 4676/2160 - 4676/2160 simplified gives 1169/540
- So, 28/80 + 98/54 = 1169/540
In mixed form: 289/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+98/54 84/80+98/54