Add 20/98 and 15/70
20/98 + 15/70 is 41/98.
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,
15/70 = 15 × 7/70 × 7 = 105/490 - Add the two like fractions:
100/490 + 105/490 = 100 + 105/490 = 205/490 - 205/490 simplified gives 41/98
- So, 20/98 + 15/70 = 41/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98+15/70 20/98+30/70 60/98+15/70 20/98+45/70 20/98+75/70