Subtract 70/20 from 2/49
1st number: 2/49, 2nd number: 3 10/20
2/49 - 70/20 is -339/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
2/49 = 2 × 20/49 × 20 = 40/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Subtract the two like fractions:
40/980 - 3430/980 = 40 - 3430/980 = -3390/980 - After reducing the fraction, the answer is -339/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/49-70/20 2/98-70/20 2/49-70/40 6/49-70/20 2/49-70/60 10/49-70/20 14/49-70/20