Subtract 15/6 from 27/70
1st number: 27/70, 2nd number: 2 3/6
27/70 - 15/6 is -74/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
15/6 = 15 × 35/6 × 35 = 525/210 - Subtract the two like fractions:
81/210 - 525/210 = 81 - 525/210 = -444/210 - After reducing the fraction, the answer is -74/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70-15/6 27/70-30/6 27/70-15/12 81/70-15/6 27/70-45/6 27/70-15/18 27/70-75/6 27/70-15/30 27/70-15/42