Subtract 42/5 from 4/2
1st number: 2 0/2, 2nd number: 8 2/5
42 - 425 is -325.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
42 = 4 × 52 × 5 = 2010 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
425 = 42 × 25 × 2 = 8410 - Subtract the two like fractions:
2010 - 8410 = 20 - 8410 = -6410 - After reducing the fraction, the answer is -325
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/2-42/5 4/2-84/5 4/2-42/10 12/2-42/5 4/6-42/5 4/2-42/15 20/2-42/5 4/10-42/5 4/2-42/25 28/2-42/5 4/14-42/5 4/2-42/35