Subtract 42/25 from 3/4
1st number: 3/4, 2nd number: 1 17/25
3/4 - 42/25 is -93/100.
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,
3/4 = 3 × 25/4 × 25 = 75/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
42/25 = 42 × 4/25 × 4 = 168/100 - Subtract the two like fractions:
75/100 - 168/100 = 75 - 168/100 = -93/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4-42/25 3/4-84/25 3/8-42/25 3/4-42/50 9/4-42/25 3/12-42/25 3/4-42/75 15/4-42/25 3/20-42/25 21/4-42/25 3/28-42/25