Subtract 3/80 from 54/20
1st number: 2 14/20, 2nd number: 3/80
54/20 - 3/80 is 213/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
54/20 = 54 × 4/20 × 4 = 216/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80 - Subtract the two like fractions:
216/80 - 3/80 = 216 - 3/80 = 213/80 - In mixed form: 253/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-6/80 54/40-3/80 54/20-9/80 54/60-3/80 54/20-15/80 54/20-21/80