Subtract 15/80 from 25/4
1st number: 6 1/4, 2nd number: 15/80
25/4 - 15/80 is 97/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
25/4 = 25 × 20/4 × 20 = 500/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Subtract the two like fractions:
500/80 - 15/80 = 500 - 15/80 = 485/80 - After reducing the fraction, the answer is 97/16
- In mixed form: 61/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-15/80 25/4-30/80 25/8-15/80 75/4-15/80 25/4-45/80 25/12-15/80 25/4-75/80 25/20-15/80 25/28-15/80