Subtract 27/8 from 15/60
1st number: 15/60, 2nd number: 3 3/8
15/60 - 27/8 is -25/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
15/60 = 15 × 2/60 × 2 = 30/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
27/8 = 27 × 15/8 × 15 = 405/120 - Subtract the two like fractions:
30/120 - 405/120 = 30 - 405/120 = -375/120 - After reducing the fraction, the answer is -25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-27/8 15/60-54/8 15/60-27/16 45/60-27/8 15/60-81/8 15/60-27/24 75/60-27/8 15/60-27/40 15/60-27/56