Subtract 42/6 from 9/4
1st number: 2 1/4, 2nd number: 7 0/6
9/4 - 42/6 is -19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
9/4 = 9 × 3/4 × 3 = 27/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
42/6 = 42 × 2/6 × 2 = 84/12 - Subtract the two like fractions:
27/12 - 84/12 = 27 - 84/12 = -57/12 - After reducing the fraction, the answer is -19/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-42/6 9/4-84/6 9/8-42/6 9/4-42/12 27/4-42/6 9/12-42/6 9/4-42/18 45/4-42/6 9/20-42/6 9/4-42/30 63/4-42/6 9/28-42/6