Subtract 56/70 from 3/4
3/4 - 56/70 is -1/20.
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,
3/4 = 3 × 35/4 × 35 = 105/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
56/70 = 56 × 2/70 × 2 = 112/140 - Subtract the two like fractions:
105/140 - 112/140 = 105 - 112/140 = -7/140 - After reducing the fraction, the answer is -1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4-56/70 3/8-56/70 9/4-56/70 3/12-56/70 15/4-56/70 3/20-56/70 21/4-56/70 3/28-56/70