Subtract 18/80 from 27/5
1st number: 5 2/5, 2nd number: 18/80
27/5 - 18/80 is 207/40.
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,
18/80 = 18 × 1/80 × 1 = 18/80 - Subtract the two like fractions:
432/80 - 18/80 = 432 - 18/80 = 414/80 - After reducing the fraction, the answer is 207/40
- In mixed form: 57/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-18/80 27/5-36/80 27/10-18/80 81/5-18/80 27/5-54/80 27/15-18/80 27/5-90/80 27/25-18/80 27/35-18/80