Subtract 12/84 from 5/8
5/8 - 12/84 is 27/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
5/8 = 5 × 21/8 × 21 = 105/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
12/84 = 12 × 2/84 × 2 = 24/168 - Subtract the two like fractions:
105/168 - 24/168 = 105 - 24/168 = 81/168 - After reducing the fraction, the answer is 27/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8-12/84 5/8-24/84 5/16-12/84 15/8-12/84 5/8-36/84 5/24-12/84 25/8-12/84 5/8-60/84 5/40-12/84 35/8-12/84 5/56-12/84