Subtract 5/90 from 70/8
1st number: 8 6/8, 2nd number: 5/90
70/8 - 5/90 is 313/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
70/8 = 70 × 45/8 × 45 = 3150/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Subtract the two like fractions:
3150/360 - 20/360 = 3150 - 20/360 = 3130/360 - After reducing the fraction, the answer is 313/36
- In mixed form: 825/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-10/90 70/16-5/90 70/8-15/90 70/24-5/90 70/8-25/90 70/40-5/90 70/8-35/90 70/56-5/90