Subtract 1/20 from 64/2
1st number: 32 0/2, 2nd number: 1/20
64/2 - 1/20 is 639/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
64/2 = 64 × 10/2 × 10 = 640/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
1/20 = 1 × 1/20 × 1 = 1/20 - Subtract the two like fractions:
640/20 - 1/20 = 640 - 1/20 = 639/20 - In mixed form: 3119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/2-2/20 64/4-1/20 64/2-1/40 64/2-3/20 64/6-1/20 64/2-1/60 64/2-5/20 64/10-1/20 64/2-7/20 64/14-1/20