Subtract 6/30 from 63/40
1st number: 1 23/40, 2nd number: 6/30
63/40 - 6/30 is 11/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
6/30 = 6 × 4/30 × 4 = 24/120 - Subtract the two like fractions:
189/120 - 24/120 = 189 - 24/120 = 165/120 - After reducing the fraction, the answer is 11/8
- In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40-12/30 63/80-6/30 63/40-6/60 63/40-18/30 63/40-6/90 63/40-42/30