Subtract 15/70 from 27/9
1st number: 3 0/9, 2nd number: 15/70
27/9 - 15/70 is 39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
27/9 = 27 × 70/9 × 70 = 1890/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630 - Subtract the two like fractions:
1890/630 - 135/630 = 1890 - 135/630 = 1755/630 - After reducing the fraction, the answer is 39/14
- In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-15/70 27/9-30/70 27/18-15/70 81/9-15/70 27/9-45/70 27/9-75/70 27/45-15/70 27/63-15/70