Subtract 42/7 from 10/25
1st number: 10/25, 2nd number: 6 0/7
10/25 - 42/7 is -28/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
10/25 = 10 × 7/25 × 7 = 70/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
42/7 = 42 × 25/7 × 25 = 1050/175 - Subtract the two like fractions:
70/175 - 1050/175 = 70 - 1050/175 = -980/175 - After reducing the fraction, the answer is -28/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-42/7 10/25-84/7 10/50-42/7 10/25-42/14 30/25-42/7 10/75-42/7 10/25-42/21 50/25-42/7 10/25-42/35 70/25-42/7 10/25-42/49