Subtract 49/6 from 25/70, Solve 25/70

Subtract 49/6 from 25/70

1^st number: 25/70, 2^nd number: 8 1/6

25/70 - 49/6 is -164/21.

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,
25/70 = 25 × 3/70 × 3 = 75/210
Likewise, for the 2nd fraction, since 6 × 35 = 210,
49/6 = 49 × 35/6 × 35 = 1715/210
Subtract the two like fractions:
75/210 - 1715/210 = 75 - 1715/210 = -1640/210
After reducing the fraction, the answer is -164/21

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