Subtract 6/50 from 70/21
1st number: 3 7/21, 2nd number: 6/50
70/21 - 6/50 is 241/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
70/21 = 70 × 50/21 × 50 = 3500/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
6/50 = 6 × 21/50 × 21 = 126/1050 - Subtract the two like fractions:
3500/1050 - 126/1050 = 3500 - 126/1050 = 3374/1050 - After reducing the fraction, the answer is 241/75
- In mixed form: 316/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21-12/50 70/42-6/50 70/21-18/50 70/63-6/50 70/21-30/50 70/21-42/50