Subtract 63/20 from 20/10
1st number: 2 0/10, 2nd number: 3 3/20
20/10 - 63/20 is -23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
20/10 = 20 × 2/10 × 2 = 40/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Subtract the two like fractions:
40/20 - 63/20 = 40 - 63/20 = -23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-63/20 20/10-63/40 60/10-63/20 20/30-63/20 20/10-63/60 20/50-63/20 20/70-63/20