Add 21/98 and 45/35
1st number: 21/98, 2nd number: 1 10/35
21/98 + 45/35 is 3/2.
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,
45/35 = 45 × 14/35 × 14 = 630/490 - Add the two like fractions:
105/490 + 630/490 = 105 + 630/490 = 735/490 - 735/490 simplified gives 3/2
- So, 21/98 + 45/35 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+45/35 21/98+90/35 21/98+45/70 63/98+45/35