Subtract 4/10 from 75/42
1st number: 1 33/42, 2nd number: 4/10
75/42 - 4/10 is 97/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
75/42 = 75 × 5/42 × 5 = 375/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
4/10 = 4 × 21/10 × 21 = 84/210 - Subtract the two like fractions:
375/210 - 84/210 = 375 - 84/210 = 291/210 - After reducing the fraction, the answer is 97/70
- In mixed form: 127/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-8/10 75/84-4/10 75/42-4/20 75/42-12/10 75/42-4/30 75/42-20/10 75/42-4/50 75/42-28/10 75/42-4/70