Add 20/98 and 40/5
1st number: 20/98, 2nd number: 8 0/5
20/98 + 40/5 is 402/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
40/5 = 40 × 98/5 × 98 = 3920/490 - Add the two like fractions:
100/490 + 3920/490 = 100 + 3920/490 = 4020/490 - 4020/490 simplified gives 402/49
- So, 20/98 + 40/5 = 402/49
In mixed form: 810/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+40/5 20/98+80/5 20/98+40/10 60/98+40/5 20/98+40/15 20/98+40/25 20/98+40/35