Subtract 8/70 from 27/4
1st number: 6 3/4, 2nd number: 8/70
27/4 - 8/70 is 929/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
27/4 = 27 × 35/4 × 35 = 945/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
8/70 = 8 × 2/70 × 2 = 16/140 - Subtract the two like fractions:
945/140 - 16/140 = 945 - 16/140 = 929/140 - In mixed form: 689/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-8/70 27/4-16/70 27/8-8/70 81/4-8/70 27/4-24/70 27/12-8/70 27/4-40/70 27/20-8/70 27/4-56/70 27/28-8/70