Subtract 15/25 from 2/42
2/42 - 15/25 is -58/105.
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,
15/25 = 15 × 42/25 × 42 = 630/1050 - Subtract the two like fractions:
50/1050 - 630/1050 = 50 - 630/1050 = -580/1050 - After reducing the fraction, the answer is -58/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42-15/25 2/42-30/25 2/84-15/25 2/42-15/50 6/42-15/25 2/42-45/25 2/42-15/75 10/42-15/25 2/42-75/25 14/42-15/25