Add 3/98 and 45/70
3/98 + 45/70 is 33/49.
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,
3/98 = 3 × 5/98 × 5 = 15/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
45/70 = 45 × 7/70 × 7 = 315/490 - Add the two like fractions:
15/490 + 315/490 = 15 + 315/490 = 330/490 - 330/490 simplified gives 33/49
- So, 3/98 + 45/70 = 33/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98+45/70 3/98+90/70 9/98+45/70 15/98+45/70 21/98+45/70