Subtract 54/80 from 27/5
1st number: 5 2/5, 2nd number: 54/80
27/5 - 54/80 is 189/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
27/5 = 27 × 16/5 × 16 = 432/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Subtract the two like fractions:
432/80 - 54/80 = 432 - 54/80 = 378/80 - After reducing the fraction, the answer is 189/40
- In mixed form: 429/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-54/80 27/10-54/80 81/5-54/80 27/15-54/80 27/25-54/80 27/35-54/80