Subtract 9/25 from 42/28
1st number: 1 14/28, 2nd number: 9/25
42/28 - 9/25 is 57/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
42/28 = 42 × 25/28 × 25 = 1050/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
9/25 = 9 × 28/25 × 28 = 252/700 - Subtract the two like fractions:
1050/700 - 252/700 = 1050 - 252/700 = 798/700 - After reducing the fraction, the answer is 57/50
- In mixed form: 17/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-9/25 42/28-18/25 42/56-9/25 42/28-9/50 42/28-27/25 42/84-9/25 42/28-9/75 42/28-45/25 42/28-63/25