Subtract 42/20 from 63/30
1st number: 2 3/30, 2nd number: 2 2/20
63/30 - 42/20 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
63/30 = 63 × 2/30 × 2 = 126/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
126/60 - 126/60 = 126 - 126/60 = 0/60 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30-84/20 63/60-42/20 63/30-42/40 63/90-42/20 63/30-42/60