Subtract 20/4 from 6/15
1st number: 6/15, 2nd number: 5 0/4
6/15 - 20/4 is -23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
6/15 = 6 × 4/15 × 4 = 24/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Subtract the two like fractions:
24/60 - 300/60 = 24 - 300/60 = -276/60 - After reducing the fraction, the answer is -23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-20/4 6/15-40/4 6/30-20/4 6/15-20/8 18/15-20/4 6/15-60/4 6/45-20/4 6/15-20/12 30/15-20/4 6/75-20/4 42/15-20/4 6/15-20/28