Subtract 7/24 from 42/10
1st number: 4 2/10, 2nd number: 7/24
42/10 - 7/24 is 469/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
42/10 = 42 × 12/10 × 12 = 504/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Subtract the two like fractions:
504/120 - 35/120 = 504 - 35/120 = 469/120 - In mixed form: 3109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-7/24 42/10-14/24 42/20-7/24 42/10-7/48 42/10-21/24 42/30-7/24 42/10-7/72 42/10-35/24 42/50-7/24 42/10-49/24 42/70-7/24