Subtract 24/10 from 42/75
1st number: 42/75, 2nd number: 2 4/10
42/75 - 24/10 is -46/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
42/75 = 42 × 2/75 × 2 = 84/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
24/10 = 24 × 15/10 × 15 = 360/150 - Subtract the two like fractions:
84/150 - 360/150 = 84 - 360/150 = -276/150 - After reducing the fraction, the answer is -46/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-24/10 42/75-48/10 42/75-24/20 42/75-72/10 42/75-24/30 42/75-24/50 42/75-24/70