Subtract 15/70 from 27/6
1st number: 4 3/6, 2nd number: 15/70
27/6 - 15/70 is 30/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
27/6 = 27 × 35/6 × 35 = 945/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Subtract the two like fractions:
945/210 - 45/210 = 945 - 45/210 = 900/210 - After reducing the fraction, the answer is 30/7
- In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-15/70 27/6-30/70 27/12-15/70 81/6-15/70 27/6-45/70 27/18-15/70 27/6-75/70 27/30-15/70 27/42-15/70