Subtract 15/70 from 27/8
1st number: 3 3/8, 2nd number: 15/70
27/8 - 15/70 is 177/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
27/8 = 27 × 35/8 × 35 = 945/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
15/70 = 15 × 4/70 × 4 = 60/280 - Subtract the two like fractions:
945/280 - 60/280 = 945 - 60/280 = 885/280 - After reducing the fraction, the answer is 177/56
- In mixed form: 39/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-15/70 27/8-30/70 27/16-15/70 81/8-15/70 27/8-45/70 27/24-15/70 27/8-75/70 27/40-15/70 27/56-15/70