Subtract 42/8 from 9/56
1st number: 9/56, 2nd number: 5 2/8
9/56 - 42/8 is -285/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
9/56 = 9 × 1/56 × 1 = 9/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Subtract the two like fractions:
9/56 - 294/56 = 9 - 294/56 = -285/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56-42/8 9/56-84/8 9/56-42/16 27/56-42/8 9/56-42/24 45/56-42/8 9/56-42/40 63/56-42/8 9/56-42/56