Subtract 2/3 from 42/10
1st number: 4 2/10, 2nd number: 2/3
42/10 - 2/3 is 53/15.
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,
42/10 = 42 × 3/10 × 3 = 126/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
2/3 = 2 × 10/3 × 10 = 20/30 - Subtract the two like fractions:
126/30 - 20/30 = 126 - 20/30 = 106/30 - After reducing the fraction, the answer is 53/15
- In mixed form: 38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-2/3 42/10-4/3 42/20-2/3 42/10-2/6 42/10-6/3 42/30-2/3 42/10-2/9 42/10-10/3 42/50-2/3 42/10-2/15 42/10-14/3 42/70-2/3 42/10-2/21