Subtract 3/10 from 63/20
1st number: 3 3/20, 2nd number: 3/10
63/20 - 3/10 is 57/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
3/10 = 3 × 2/10 × 2 = 6/20 - Subtract the two like fractions:
63/20 - 6/20 = 63 - 6/20 = 57/20 - In mixed form: 217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20-6/10 63/40-3/10 63/20-3/20 63/20-9/10 63/60-3/10 63/20-3/30 63/20-15/10 63/20-3/50 63/20-21/10 63/20-3/70