Subtract 70/42 from 70/2, Solve 35 0/2

Subtract 70/42 from 70/2

1^st number: 35 0/2, 2^nd number: 1 28/42

70/2 - 70/42 is 100/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
70/2 = 70 × 21/2 × 21 = 1470/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42
Subtract the two like fractions:
1470/42 - 70/42 = 1470 - 70/42 = 1400/42
After reducing the fraction, the answer is 100/3
In mixed form: 331/3

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