Subtract 1/8 from 54/45
1st number: 1 9/45, 2nd number: 1/8
54/45 - 1/8 is 43/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
54/45 = 54 × 8/45 × 8 = 432/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
1/8 = 1 × 45/8 × 45 = 45/360 - Subtract the two like fractions:
432/360 - 45/360 = 432 - 45/360 = 387/360 - After reducing the fraction, the answer is 43/40
- In mixed form: 13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45-2/8 54/90-1/8 54/45-1/16 54/45-3/8 54/45-1/24 54/45-5/8 54/45-1/40 54/45-7/8 54/45-1/56