Subtract 10/42 from 35/2
1st number: 17 1/2, 2nd number: 10/42
35/2 - 10/42 is 725/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 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 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42 - Subtract the two like fractions:
735/42 - 10/42 = 735 - 10/42 = 725/42 - In mixed form: 1711/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-10/42 35/2-20/42 35/4-10/42 35/2-10/84 35/2-30/42 35/6-10/42 35/2-50/42 35/10-10/42 35/2-70/42 35/14-10/42