Subtract 63/30 from 20/10
1st number: 2 0/10, 2nd number: 2 3/30
20/10 - 63/30 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
63/30 = 63 × 1/30 × 1 = 63/30 - Subtract the two like fractions:
60/30 - 63/30 = 60 - 63/30 = -3/30 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-63/30 20/10-63/60 60/10-63/30 20/30-63/30 20/10-63/90 20/50-63/30 20/70-63/30