Subtract 32/63 from 1/20
1/20 - 32/63 is -577/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
1/20 = 1 × 63/20 × 63 = 63/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
32/63 = 32 × 20/63 × 20 = 640/1260 - Subtract the two like fractions:
63/1260 - 640/1260 = 63 - 640/1260 = -577/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20-32/63 1/20-64/63 1/40-32/63 3/20-32/63 1/20-96/63 1/60-32/63 5/20-32/63 7/20-32/63