Subtract 30/70 from 50/4
1st number: 12 2/4, 2nd number: 30/70
50/4 - 30/70 is 169/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
50/4 = 50 × 35/4 × 35 = 1750/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Subtract the two like fractions:
1750/140 - 60/140 = 1750 - 60/140 = 1690/140 - After reducing the fraction, the answer is 169/14
- In mixed form: 121/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-60/70 50/8-30/70 50/4-90/70 50/12-30/70 50/20-30/70 50/28-30/70