Add 20/98 and 5/70
20/98 + 5/70 is 27/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 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 70 × 7 = 490,
5/70 = 5 × 7/70 × 7 = 35/490 - Add the two like fractions:
100/490 + 35/490 = 100 + 35/490 = 135/490 - 135/490 simplified gives 27/98
- So, 20/98 + 5/70 = 27/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+5/70 20/98+10/70 60/98+5/70 20/98+15/70 20/98+25/70 20/98+35/70