Subtract 1/40 from 75/15
1st number: 5 0/15, 2nd number: 1/40
75/15 - 1/40 is 199/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
75/15 = 75 × 8/15 × 8 = 600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Subtract the two like fractions:
600/120 - 3/120 = 600 - 3/120 = 597/120 - After reducing the fraction, the answer is 199/40
- In mixed form: 439/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15-2/40 75/30-1/40 75/15-1/80 75/15-3/40 75/45-1/40 75/15-5/40 75/15-7/40