Subtract 35/42 from 42/10
1st number: 4 2/10, 2nd number: 35/42
42/10 - 35/42 is 101/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
42/10 = 42 × 21/10 × 21 = 882/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
35/42 = 35 × 5/42 × 5 = 175/210 - Subtract the two like fractions:
882/210 - 175/210 = 882 - 175/210 = 707/210 - After reducing the fraction, the answer is 101/30
- In mixed form: 311/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-35/42 42/10-70/42 42/20-35/42 42/10-35/84 42/30-35/42 42/50-35/42 42/70-35/42