Subtract 50/70 from 6/49
6/49 - 50/70 is -29/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
6/49 = 6 × 10/49 × 10 = 60/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
50/70 = 50 × 7/70 × 7 = 350/490 - Subtract the two like fractions:
60/490 - 350/490 = 60 - 350/490 = -290/490 - After reducing the fraction, the answer is -29/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/49-50/70 6/98-50/70 18/49-50/70 30/49-50/70 42/49-50/70