Add 40/98 and 10/70
40/98 + 10/70 is 27/49.
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,
40/98 = 40 × 5/98 × 5 = 200/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
10/70 = 10 × 7/70 × 7 = 70/490 - Add the two like fractions:
200/490 + 70/490 = 200 + 70/490 = 270/490 - 270/490 simplified gives 27/49
- So, 40/98 + 10/70 = 27/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+10/70 40/98+20/70 40/98+30/70 40/98+50/70