Subtract 42/25 from 9/4
1st number: 2 1/4, 2nd number: 1 17/25
9/4 - 42/25 is 57/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
9/4 = 9 × 25/4 × 25 = 225/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
42/25 = 42 × 4/25 × 4 = 168/100 - Subtract the two like fractions:
225/100 - 168/100 = 225 - 168/100 = 57/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-42/25 9/4-84/25 9/8-42/25 9/4-42/50 27/4-42/25 9/12-42/25 9/4-42/75 45/4-42/25 9/20-42/25 63/4-42/25 9/28-42/25