Subtract 10/45 from 42/25
1st number: 1 17/25, 2nd number: 10/45
42/25 - 10/45 is 328/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
42/25 = 42 × 9/25 × 9 = 378/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
10/45 = 10 × 5/45 × 5 = 50/225 - Subtract the two like fractions:
378/225 - 50/225 = 378 - 50/225 = 328/225 - In mixed form: 1103/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-10/45 42/25-20/45 42/50-10/45 42/25-10/90 42/25-30/45 42/75-10/45 42/25-50/45 42/25-70/45