Subtract 1/8 from 80/45
1st number: 1 35/45, 2nd number: 1/8
80/45 - 1/8 is 119/72.
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,
80/45 = 80 × 8/45 × 8 = 640/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
1/8 = 1 × 45/8 × 45 = 45/360 - Subtract the two like fractions:
640/360 - 45/360 = 640 - 45/360 = 595/360 - After reducing the fraction, the answer is 119/72
- In mixed form: 147/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-2/8 80/90-1/8 80/45-1/16 80/45-3/8 80/45-1/24 80/45-5/8 80/45-1/40 80/45-7/8 80/45-1/56