Add 18/20 and 8/98
18/20 + 8/98 is 481/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
18/20 = 18 × 49/20 × 49 = 882/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
8/98 = 8 × 10/98 × 10 = 80/980 - Add the two like fractions:
882/980 + 80/980 = 882 + 80/980 = 962/980 - 962/980 simplified gives 481/490
- So, 18/20 + 8/98 = 481/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+8/98 18/20+16/98 18/40+8/98 54/20+8/98 18/20+24/98 18/60+8/98 90/20+8/98 18/20+40/98 18/20+56/98