Add 18/20 and 16/98
18/20 + 16/98 is 521/490.
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,
16/98 = 16 × 10/98 × 10 = 160/980 - Add the two like fractions:
882/980 + 160/980 = 882 + 160/980 = 1042/980 - 1042/980 simplified gives 521/490
- So, 18/20 + 16/98 = 521/490
In mixed form: 131/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+16/98 18/20+32/98 18/40+16/98 54/20+16/98 18/20+48/98 18/60+16/98 90/20+16/98 18/20+80/98