Subtract 70/20 from 1/49
1st number: 1/49, 2nd number: 3 10/20
1/49 - 70/20 is -341/98.
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,
1/49 = 1 × 20/49 × 20 = 20/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Subtract the two like fractions:
20/980 - 3430/980 = 20 - 3430/980 = -3410/980 - After reducing the fraction, the answer is -341/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-70/20 1/98-70/20 1/49-70/40 3/49-70/20 1/49-70/60 5/49-70/20 7/49-70/20