Add 21/98 and 25/35
21/98 + 25/35 is 13/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 35 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Likewise, for the 2nd fraction, since 35 × 14 = 490,
25/35 = 25 × 14/35 × 14 = 350/490 - Add the two like fractions:
105/490 + 350/490 = 105 + 350/490 = 455/490 - 455/490 simplified gives 13/14
- So, 21/98 + 25/35 = 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+25/35 21/98+50/35 21/98+25/70 63/98+25/35 21/98+75/35