Subtract 42/70 from 50/12
1st number: 4 2/12, 2nd number: 42/70
50/12 - 42/70 is 107/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
50/12 = 50 × 35/12 × 35 = 1750/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
42/70 = 42 × 6/70 × 6 = 252/420 - Subtract the two like fractions:
1750/420 - 252/420 = 1750 - 252/420 = 1498/420 - After reducing the fraction, the answer is 107/30
- In mixed form: 317/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-84/70 50/24-42/70 50/36-42/70 50/60-42/70 50/84-42/70