Subtract 49/6 from 30/70
1st number: 30/70, 2nd number: 8 1/6
30/70 - 49/6 is -325/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
30/70 = 30 × 3/70 × 3 = 90/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
49/6 = 49 × 35/6 × 35 = 1715/210 - Subtract the two like fractions:
90/210 - 1715/210 = 90 - 1715/210 = -1625/210 - After reducing the fraction, the answer is -325/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-49/6 30/70-98/6 30/70-49/12 90/70-49/6 30/70-49/18 30/70-49/30 30/70-49/42