Add 10/20 and 10/49
10/20 + 10/49 is 69/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 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 49 × 20 = 980,
10/49 = 10 × 20/49 × 20 = 200/980 - Add the two like fractions:
490/980 + 200/980 = 490 + 200/980 = 690/980 - 690/980 simplified gives 69/98
- So, 10/20 + 10/49 = 69/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+20/49 10/40+10/49 10/20+10/98 30/20+10/49 10/20+30/49 10/60+10/49 50/20+10/49 10/20+50/49 70/20+10/49 10/20+70/49