Add 70/98 and 10/20
70/98 + 10/20 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
70/98 = 70 × 10/98 × 10 = 700/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
10/20 = 10 × 49/20 × 49 = 490/980 - Add the two like fractions:
700/980 + 490/980 = 700 + 490/980 = 1190/980 - 1190/980 simplified gives 17/14
- So, 70/98 + 10/20 = 17/14
In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+10/40 70/98+30/20 70/98+10/60 70/98+50/20 70/98+70/20