Subtract 30/25 from 7/8
1st number: 7/8, 2nd number: 1 5/25
7/8 - 30/25 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
7/8 = 7 × 25/8 × 25 = 175/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
30/25 = 30 × 8/25 × 8 = 240/200 - Subtract the two like fractions:
175/200 - 240/200 = 175 - 240/200 = -65/200 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-30/25 7/8-60/25 7/16-30/25 7/8-30/50 21/8-30/25 7/8-90/25 7/24-30/25 7/8-30/75 35/8-30/25 7/40-30/25 49/8-30/25 7/56-30/25