Subtract 70/8 from 45/6
1st number: 7 3/6, 2nd number: 8 6/8
45/6 - 70/8 is -5/4.
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,
45/6 = 45 × 4/6 × 4 = 180/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
70/8 = 70 × 3/8 × 3 = 210/24 - Subtract the two like fractions:
180/24 - 210/24 = 180 - 210/24 = -30/24 - After reducing the fraction, the answer is -5/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-70/8 45/12-70/8 45/6-70/16 45/18-70/8 45/6-70/24 45/30-70/8 45/6-70/40 45/42-70/8 45/6-70/56