Subtract 7/8 from 3/6
36 - 78 is -38.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
36 = 3 × 46 × 4 = 1224 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
78 = 7 × 38 × 3 = 2124 - Subtract the two like fractions:
1224 - 2124 = 12 - 2124 = -924 - After reducing the fraction, the answer is -38
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6-14/8 3/12-7/8 3/6-7/16 9/6-7/8 3/6-21/8 3/18-7/8 3/6-7/24 15/6-7/8 3/6-35/8 3/30-7/8 3/6-7/40 21/6-7/8 3/6-49/8 3/42-7/8 3/6-7/56