Subtract 84/8 from 4/2
1st number: 2 0/2, 2nd number: 10 4/8
4/2 - 84/8 is -17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
4/2 = 4 × 4/2 × 4 = 16/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
84/8 = 84 × 1/8 × 1 = 84/8 - Subtract the two like fractions:
16/8 - 84/8 = 16 - 84/8 = -68/8 - After reducing the fraction, the answer is -17/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/2-84/8 4/2-84/16 12/2-84/8 4/6-84/8 4/2-84/24 20/2-84/8 4/10-84/8 4/2-84/40 28/2-84/8 4/14-84/8 4/2-84/56