Add 18/20 and 48/98
18/20 + 48/98 is 681/490.
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,
48/98 = 48 × 10/98 × 10 = 480/980 - Add the two like fractions:
882/980 + 480/980 = 882 + 480/980 = 1362/980 - 1362/980 simplified gives 681/490
- So, 18/20 + 48/98 = 681/490
In mixed form: 1191/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+48/98 18/20+96/98 18/40+48/98 54/20+48/98 18/60+48/98 90/20+48/98