Subtract 30/70 from 49/6, Solve 8 1/6

Subtract 30/70 from 49/6

1^st number: 8 1/6, 2^nd number: 30/70

49/6 - 30/70 is 325/42.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
49/6 = 49 × 35/6 × 35 = 1715/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
30/70 = 30 × 3/70 × 3 = 90/210
Subtract the two like fractions:
1715/210 - 90/210 = 1715 - 90/210 = 1625/210
After reducing the fraction, the answer is 325/42
In mixed form: 731/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad