Subtract 45/25 from 2/42
1st number: 2/42, 2nd number: 1 20/25
2/42 - 45/25 is -184/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
2/42 = 2 × 25/42 × 25 = 50/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
45/25 = 45 × 42/25 × 42 = 1890/1050 - Subtract the two like fractions:
50/1050 - 1890/1050 = 50 - 1890/1050 = -1840/1050 - After reducing the fraction, the answer is -184/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42-45/25 2/42-90/25 2/84-45/25 2/42-45/50 6/42-45/25 2/42-45/75 10/42-45/25 14/42-45/25