Add 1/21 and 98/35
1st number: 1/21, 2nd number: 2 28/35
1/21 + 98/35 is 299/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
1/21 = 1 × 5/21 × 5 = 5/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
98/35 = 98 × 3/35 × 3 = 294/105 - Add the two like fractions:
5/105 + 294/105 = 5 + 294/105 = 299/105 - So, 1/21 + 98/35 = 299/105
In mixed form: 289/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+98/35 1/42+98/35 1/21+98/70 3/21+98/35 1/63+98/35 5/21+98/35 7/21+98/35