Add 28/98 and 14/80
28/98 + 14/80 is 129/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
28/98 = 28 × 40/98 × 40 = 1120/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
14/80 = 14 × 49/80 × 49 = 686/3920 - Add the two like fractions:
1120/3920 + 686/3920 = 1120 + 686/3920 = 1806/3920 - 1806/3920 simplified gives 129/280
- So, 28/98 + 14/80 = 129/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+14/80 28/98+28/80 84/98+14/80 28/98+42/80 28/98+70/80 28/98+98/80