Subtract 20/49 from 70/10
1st number: 7 0/10, 2nd number: 20/49
70/10 - 20/49 is 323/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
70/10 = 70 × 49/10 × 49 = 3430/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Subtract the two like fractions:
3430/490 - 200/490 = 3430 - 200/490 = 3230/490 - After reducing the fraction, the answer is 323/49
- In mixed form: 629/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-40/49 70/20-20/49 70/10-20/98 70/10-60/49 70/30-20/49 70/50-20/49