Subtract 9/12 from 4/84
4/84 - 9/12 is -59/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
9/12 = 9 × 7/12 × 7 = 63/84 - Subtract the two like fractions:
4/84 - 63/84 = 4 - 63/84 = -59/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-9/12 4/84-18/12 4/84-9/24 12/84-9/12 4/84-27/12 4/84-9/36 20/84-9/12 4/84-45/12 4/84-9/60 28/84-9/12 4/84-63/12 4/84-9/84