Add 28/50 and 90/98
28/50 + 90/98 is 1811/1225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 98 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 50 × 49 = 2450,
28/50 = 28 × 49/50 × 49 = 1372/2450 - Likewise, for the 2nd fraction, since 98 × 25 = 2450,
90/98 = 90 × 25/98 × 25 = 2250/2450 - Add the two like fractions:
1372/2450 + 2250/2450 = 1372 + 2250/2450 = 3622/2450 - 3622/2450 simplified gives 1811/1225
- So, 28/50 + 90/98 = 1811/1225
In mixed form: 1586/1225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50+90/98 84/50+90/98