Subtract 15/8 from 25/35
1st number: 25/35, 2nd number: 1 7/8
25/35 - 15/8 is -65/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
25/35 = 25 × 8/35 × 8 = 200/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
15/8 = 15 × 35/8 × 35 = 525/280 - Subtract the two like fractions:
200/280 - 525/280 = 200 - 525/280 = -325/280 - After reducing the fraction, the answer is -65/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/35-15/8 25/35-30/8 25/70-15/8 25/35-15/16 75/35-15/8 25/35-45/8 25/35-15/24 25/35-75/8 25/35-15/40 25/35-15/56