Subtract 56/30 from 75/40
1st number: 1 35/40, 2nd number: 1 26/30
75/40 - 56/30 is 1/120.
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,
75/40 = 75 × 3/40 × 3 = 225/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
56/30 = 56 × 4/30 × 4 = 224/120 - Subtract the two like fractions:
225/120 - 224/120 = 225 - 224/120 = 1/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80-56/30 75/40-56/60 75/40-56/90