Add 35/10 and 3/21
1st number: 3 5/10, 2nd number: 3/21
35/10 + 3/21 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
3/21 = 3 × 10/21 × 10 = 30/210 - Add the two like fractions:
735/210 + 30/210 = 735 + 30/210 = 765/210 - 765/210 simplified gives 51/14
- So, 35/10 + 3/21 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+3/21 35/10+6/21 35/20+3/21 35/10+3/42 35/10+9/21 35/30+3/21 35/10+3/63 35/10+15/21 35/50+3/21 35/70+3/21