Add 10/21 and 3/35
10/21 + 3/35 is 59/105.
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,
10/21 = 10 × 5/21 × 5 = 50/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
3/35 = 3 × 3/35 × 3 = 9/105 - Add the two like fractions:
50/105 + 9/105 = 50 + 9/105 = 59/105 - So, 10/21 + 3/35 = 59/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+3/35 10/21+6/35 10/42+3/35 10/21+3/70 30/21+3/35 10/21+9/35 10/63+3/35 50/21+3/35 10/21+15/35 70/21+3/35 10/21+21/35