Subtract 75/6 from 42/28
1st number: 1 14/28, 2nd number: 12 3/6
42/28 - 75/6 is -11/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
42/28 = 42 × 3/28 × 3 = 126/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
75/6 = 75 × 14/6 × 14 = 1050/84 - Subtract the two like fractions:
126/84 - 1050/84 = 126 - 1050/84 = -924/84 - After reducing the fraction, the answer is -11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-75/6 42/56-75/6 42/28-75/12 42/84-75/6 42/28-75/18 42/28-75/30 42/28-75/42