Subtract 5/32 from 20/70
20/70 - 5/32 is 29/224.
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,
20/70 = 20 × 16/70 × 16 = 320/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
5/32 = 5 × 35/32 × 35 = 175/1120 - Subtract the two like fractions:
320/1120 - 175/1120 = 320 - 175/1120 = 145/1120 - After reducing the fraction, the answer is 29/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70-5/32 20/70-10/32 20/70-5/64 60/70-5/32 20/70-15/32 20/70-5/96 20/70-25/32 20/70-35/32