Subtract 5/8 from 8/84
8/84 - 5/8 is -89/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
8/84 = 8 × 2/84 × 2 = 16/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
5/8 = 5 × 21/8 × 21 = 105/168 - Subtract the two like fractions:
16/168 - 105/168 = 16 - 105/168 = -89/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-5/8 8/84-10/8 8/84-5/16 24/84-5/8 8/84-15/8 8/84-5/24 40/84-5/8 8/84-25/8 8/84-5/40 56/84-5/8 8/84-35/8 8/84-5/56