Subtract 1/90 from 56/8
1st number: 7 0/8, 2nd number: 1/90
56/8 - 1/90 is 629/90.
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,
56/8 = 56 × 45/8 × 45 = 2520/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Subtract the two like fractions:
2520/360 - 4/360 = 2520 - 4/360 = 2516/360 - After reducing the fraction, the answer is 629/90
- In mixed form: 689/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-2/90 56/16-1/90 56/8-3/90 56/24-1/90 56/8-5/90 56/40-1/90 56/8-7/90