Subtract 10/45 from 81/8
1st number: 10 1/8, 2nd number: 10/45
81/8 - 10/45 is 713/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
81/8 = 81 × 45/8 × 45 = 3645/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
10/45 = 10 × 8/45 × 8 = 80/360 - Subtract the two like fractions:
3645/360 - 80/360 = 3645 - 80/360 = 3565/360 - After reducing the fraction, the answer is 713/72
- In mixed form: 965/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8-20/45 81/16-10/45 81/8-10/90 81/8-30/45 81/24-10/45 81/8-50/45 81/40-10/45 81/8-70/45 81/56-10/45