Subtract 30/3 from 1/70, Solve 1/70

Subtract 30/3 from 1/70

1^st number: 1/70, 2^nd number: 10 0/3

1/70 - 30/3 is -699/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
1/70 = 1 × 3/70 × 3 = 3/210
Likewise, for the 2nd fraction, since 3 × 70 = 210,
30/3 = 30 × 70/3 × 70 = 2100/210
Subtract the two like fractions:
3/210 - 2100/210 = 3 - 2100/210 = -2097/210
After reducing the fraction, the answer is -699/70

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