Add 70/98 and 14/80
70/98 + 14/80 is 249/280.
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,
70/98 = 70 × 40/98 × 40 = 2800/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
14/80 = 14 × 49/80 × 49 = 686/3920 - Add the two like fractions:
2800/3920 + 686/3920 = 2800 + 686/3920 = 3486/3920 - 3486/3920 simplified gives 249/280
- So, 70/98 + 14/80 = 249/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+28/80 70/98+42/80 70/98+70/80 70/98+98/80