Subtract 35/70 from 15/32
15/32 - 35/70 is -1/32.
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,
15/32 = 15 × 35/32 × 35 = 525/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
35/70 = 35 × 16/70 × 16 = 560/1120 - Subtract the two like fractions:
525/1120 - 560/1120 = 525 - 560/1120 = -35/1120 - After reducing the fraction, the answer is -1/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/32-35/70 15/64-35/70 45/32-35/70 15/96-35/70 75/32-35/70