Subtract 9/32 from 7/70
7/70 - 9/32 is -29/160.
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,
7/70 = 7 × 16/70 × 16 = 112/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
9/32 = 9 × 35/32 × 35 = 315/1120 - Subtract the two like fractions:
112/1120 - 315/1120 = 112 - 315/1120 = -203/1120 - After reducing the fraction, the answer is -29/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70-9/32 7/70-18/32 7/70-9/64 21/70-9/32 7/70-27/32 7/70-9/96 35/70-9/32 7/70-45/32 49/70-9/32 7/70-63/32