Subtract 81/3 from 32/70, Solve 32/70

Subtract 81/3 from 32/70

1^st number: 32/70, 2^nd number: 27 0/3

32/70 - 81/3 is -929/35.

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,
32/70 = 32 × 3/70 × 3 = 96/210
Likewise, for the 2nd fraction, since 3 × 70 = 210,
81/3 = 81 × 70/3 × 70 = 5670/210
Subtract the two like fractions:
96/210 - 5670/210 = 96 - 5670/210 = -5574/210
After reducing the fraction, the answer is -929/35

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