Subtract 6/63 from 20/60
20/60 - 6/63 is 5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
20/60 = 20 × 21/60 × 21 = 420/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
6/63 = 6 × 20/63 × 20 = 120/1260 - Subtract the two like fractions:
420/1260 - 120/1260 = 420 - 120/1260 = 300/1260 - After reducing the fraction, the answer is 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60-6/63 20/60-12/63 20/60-18/63 20/60-30/63 20/60-42/63