Add 10/20 and 7/98
10/20 + 7/98 is 4/7.
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,
10/20 = 10 × 49/20 × 49 = 490/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
7/98 = 7 × 10/98 × 10 = 70/980 - Add the two like fractions:
490/980 + 70/980 = 490 + 70/980 = 560/980 - 560/980 simplified gives 4/7
- So, 10/20 + 7/98 = 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+14/98 10/40+7/98 30/20+7/98 10/20+21/98 10/60+7/98 50/20+7/98 10/20+35/98 70/20+7/98 10/20+49/98