Subtract 8/45 from 80/4
1st number: 20 0/4, 2nd number: 8/45
80/4 - 8/45 is 892/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
80/4 = 80 × 45/4 × 45 = 3600/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
8/45 = 8 × 4/45 × 4 = 32/180 - Subtract the two like fractions:
3600/180 - 32/180 = 3600 - 32/180 = 3568/180 - After reducing the fraction, the answer is 892/45
- In mixed form: 1937/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-16/45 80/8-8/45 80/4-8/90 80/4-24/45 80/12-8/45 80/4-40/45 80/20-8/45 80/4-56/45 80/28-8/45