Subtract 4/49 from 70/20
1st number: 3 10/20, 2nd number: 4/49
70/20 - 4/49 is 335/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
4/49 = 4 × 20/49 × 20 = 80/980 - Subtract the two like fractions:
3430/980 - 80/980 = 3430 - 80/980 = 3350/980 - After reducing the fraction, the answer is 335/98
- In mixed form: 341/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-8/49 70/40-4/49 70/20-4/98 70/20-12/49 70/60-4/49 70/20-20/49 70/20-28/49