Subtract 12/40 from 27/5
1st number: 5 2/5, 2nd number: 12/40
27/5 - 12/40 is 51/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
27/5 = 27 × 8/5 × 8 = 216/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Subtract the two like fractions:
216/40 - 12/40 = 216 - 12/40 = 204/40 - After reducing the fraction, the answer is 51/10
- In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-12/40 27/5-24/40 27/10-12/40 27/5-12/80 81/5-12/40 27/5-36/40 27/15-12/40 27/5-60/40 27/25-12/40 27/5-84/40 27/35-12/40