Subtract 50/24 from 42/40
1st number: 1 2/40, 2nd number: 2 2/24
42/40 - 50/24 is -31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
50/24 = 50 × 5/24 × 5 = 250/120 - Subtract the two like fractions:
126/120 - 250/120 = 126 - 250/120 = -124/120 - After reducing the fraction, the answer is -31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40-50/24 42/80-50/24 42/40-50/48 42/40-50/72