Subtract 12/40 from 75/15
1st number: 5 0/15, 2nd number: 12/40
75/15 - 12/40 is 47/10.
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,
12/40 = 12 × 3/40 × 3 = 36/120 - Subtract the two like fractions:
600/120 - 36/120 = 600 - 36/120 = 564/120 - After reducing the fraction, the answer is 47/10
- In mixed form: 47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15-24/40 75/30-12/40 75/15-12/80 75/15-36/40 75/45-12/40 75/15-60/40 75/15-84/40