Subtract 15/60 from 42/25
1st number: 1 17/25, 2nd number: 15/60
42/25 - 15/60 is 143/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
42/25 = 42 × 12/25 × 12 = 504/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
15/60 = 15 × 5/60 × 5 = 75/300 - Subtract the two like fractions:
504/300 - 75/300 = 504 - 75/300 = 429/300 - After reducing the fraction, the answer is 143/100
- In mixed form: 143/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-15/60 42/25-30/60 42/50-15/60 42/25-45/60 42/75-15/60 42/25-75/60