Add 7/98 and 3/80
7/98 + 3/80 is 61/560.
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,
7/98 = 7 × 40/98 × 40 = 280/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
3/80 = 3 × 49/80 × 49 = 147/3920 - Add the two like fractions:
280/3920 + 147/3920 = 280 + 147/3920 = 427/3920 - 427/3920 simplified gives 61/560
- So, 7/98 + 3/80 = 61/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+3/80 7/98+6/80 21/98+3/80 7/98+9/80 35/98+3/80 7/98+15/80 49/98+3/80 7/98+21/80