Subtract 5/15 from 12/4
1st number: 3 0/4, 2nd number: 5/15
12/4 - 5/15 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
12/4 = 12 × 15/4 × 15 = 180/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
5/15 = 5 × 4/15 × 4 = 20/60 - Subtract the two like fractions:
180/60 - 20/60 = 180 - 20/60 = 160/60 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-5/15 12/4-10/15 12/8-5/15 12/4-5/30 36/4-5/15 12/4-5/45 60/4-5/15 12/4-25/15 12/20-5/15 12/4-5/75 84/4-5/15 12/4-35/15 12/28-5/15