Add 28/98 and 4/70
28/98 + 4/70 is 12/35.
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,
28/98 = 28 × 5/98 × 5 = 140/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
4/70 = 4 × 7/70 × 7 = 28/490 - Add the two like fractions:
140/490 + 28/490 = 140 + 28/490 = 168/490 - 168/490 simplified gives 12/35
- So, 28/98 + 4/70 = 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+4/70 28/98+8/70 84/98+4/70 28/98+12/70 28/98+20/70 28/98+28/70