Subtract 45/14 from 75/42
1st number: 1 33/42, 2nd number: 3 3/14
75/42 - 45/14 is -10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
75/42 = 75 × 1/42 × 1 = 75/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Subtract the two like fractions:
75/42 - 135/42 = 75 - 135/42 = -60/42 - After reducing the fraction, the answer is -10/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42-90/14 75/84-45/14 75/42-45/28 75/42-45/42 75/42-45/70 75/42-45/98