Subtract 42/3 from 35/10
1st number: 3 5/10, 2nd number: 14 0/3
35/10 - 42/3 is -21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
35/10 = 35 × 3/10 × 3 = 105/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
42/3 = 42 × 10/3 × 10 = 420/30 - Subtract the two like fractions:
105/30 - 420/30 = 105 - 420/30 = -315/30 - After reducing the fraction, the answer is -21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-42/3 35/10-84/3 35/20-42/3 35/10-42/6 35/30-42/3 35/10-42/9 35/50-42/3 35/10-42/15 35/70-42/3 35/10-42/21