Subtract 3/12 from 30/25
1st number: 1 5/25, 2nd number: 3/12
30/25 - 3/12 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
30/25 = 30 × 12/25 × 12 = 360/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Subtract the two like fractions:
360/300 - 75/300 = 360 - 75/300 = 285/300 - After reducing the fraction, the answer is 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25-3/12 30/25-6/12 30/50-3/12 30/25-3/24 90/25-3/12 30/25-9/12 30/75-3/12 30/25-3/36 30/25-15/12 30/25-3/60 30/25-21/12 30/25-3/84