Subtract 28/70 from 1/32
1/32 - 28/70 is -59/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
1/32 = 1 × 35/32 × 35 = 35/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
28/70 = 28 × 16/70 × 16 = 448/1120 - Subtract the two like fractions:
35/1120 - 448/1120 = 35 - 448/1120 = -413/1120 - After reducing the fraction, the answer is -59/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/32-28/70 1/32-56/70 1/64-28/70 3/32-28/70 1/32-84/70 1/96-28/70 5/32-28/70 7/32-28/70