Subtract 12/30 from 27/4
1st number: 6 3/4, 2nd number: 12/30
27/4 - 12/30 is 127/20.
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,
12/30 = 12 × 2/30 × 2 = 24/60 - Subtract the two like fractions:
405/60 - 24/60 = 405 - 24/60 = 381/60 - After reducing the fraction, the answer is 127/20
- In mixed form: 67/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-12/30 27/4-24/30 27/8-12/30 27/4-12/60 81/4-12/30 27/4-36/30 27/12-12/30 27/4-12/90 27/4-60/30 27/20-12/30 27/4-84/30 27/28-12/30