Subtract 10/30 from 27/4
1st number: 6 3/4, 2nd number: 10/30
27/4 - 10/30 is 77/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
27/4 = 27 × 15/4 × 15 = 405/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
10/30 = 10 × 2/30 × 2 = 20/60 - Subtract the two like fractions:
405/60 - 20/60 = 405 - 20/60 = 385/60 - After reducing the fraction, the answer is 77/12
- In mixed form: 65/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-10/30 27/4-20/30 27/8-10/30 27/4-10/60 81/4-10/30 27/12-10/30 27/4-10/90 27/4-50/30 27/20-10/30 27/4-70/30 27/28-10/30