Subtract 54/32 from 56/70
1st number: 56/70, 2nd number: 1 22/32
56/70 - 54/32 is -71/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
56/70 = 56 × 16/70 × 16 = 896/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
54/32 = 54 × 35/32 × 35 = 1890/1120 - Subtract the two like fractions:
896/1120 - 1890/1120 = 896 - 1890/1120 = -994/1120 - After reducing the fraction, the answer is -71/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-54/64 56/70-54/96