Subtract 5/42 from 45/25
1st number: 1 20/25, 2nd number: 5/42
45/25 - 5/42 is 353/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
45/25 = 45 × 42/25 × 42 = 1890/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
5/42 = 5 × 25/42 × 25 = 125/1050 - Subtract the two like fractions:
1890/1050 - 125/1050 = 1890 - 125/1050 = 1765/1050 - After reducing the fraction, the answer is 353/210
- In mixed form: 1143/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-5/42 45/25-10/42 45/50-5/42 45/25-5/84 45/25-15/42 45/75-5/42 45/25-25/42 45/25-35/42