Subtract 70/20 from 3/32
1st number: 3/32, 2nd number: 3 10/20
3/32 - 70/20 is -109/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
3/32 = 3 × 5/32 × 5 = 15/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
70/20 = 70 × 8/20 × 8 = 560/160 - Subtract the two like fractions:
15/160 - 560/160 = 15 - 560/160 = -545/160 - After reducing the fraction, the answer is -109/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/32-70/20 3/64-70/20 3/32-70/40 9/32-70/20 3/96-70/20 3/32-70/60 15/32-70/20 21/32-70/20