Add 35/2 and 10/21
1st number: 17 1/2, 2nd number: 10/21
35/2 + 10/21 is 755/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
35/2 = 35 × 21/2 × 21 = 735/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
10/21 = 10 × 2/21 × 2 = 20/42 - Add the two like fractions:
735/42 + 20/42 = 735 + 20/42 = 755/42 - So, 35/2 + 10/21 = 755/42
In mixed form: 1741/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+10/21 35/2+20/21 35/4+10/21 35/2+10/42 35/2+30/21 35/6+10/21 35/2+10/63 35/2+50/21 35/10+10/21 35/2+70/21 35/14+10/21