Subtract 30/8 from 25/4
1st number: 6 1/4, 2nd number: 3 6/8
25/4 - 30/8 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
25/4 = 25 × 2/4 × 2 = 50/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
30/8 = 30 × 1/8 × 1 = 30/8 - Subtract the two like fractions:
50/8 - 30/8 = 50 - 30/8 = 20/8 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-30/8 25/4-60/8 25/8-30/8 25/4-30/16 75/4-30/8 25/4-90/8 25/12-30/8 25/4-30/24 25/20-30/8 25/4-30/40 25/28-30/8 25/4-30/56