Subtract 1/80 from 75/4
1st number: 18 3/4, 2nd number: 1/80
75/4 - 1/80 is 1499/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
75/4 = 75 × 20/4 × 20 = 1500/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
1500/80 - 1/80 = 1500 - 1/80 = 1499/80 - In mixed form: 1859/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/4-2/80 75/8-1/80 75/4-3/80 75/12-1/80 75/4-5/80 75/20-1/80 75/4-7/80 75/28-1/80