Subtract 8/35 from 21/2
1st number: 10 1/2, 2nd number: 8/35
21/2 - 8/35 is 719/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
21/2 = 21 × 35/2 × 35 = 735/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
8/35 = 8 × 2/35 × 2 = 16/70 - Subtract the two like fractions:
735/70 - 16/70 = 735 - 16/70 = 719/70 - In mixed form: 1019/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-8/35 21/2-16/35 21/4-8/35 21/2-8/70 63/2-8/35 21/2-24/35 21/6-8/35 21/2-40/35 21/10-8/35 21/2-56/35 21/14-8/35