Subtract 70/42 from 5/10, Solve 5/10

Subtract 70/42 from 5/10

1^st number: 5/10, 2^nd number: 1 28/42

5/10 - 70/42 is -7/6.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
5/10 = 5 × 21/10 × 21 = 105/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210
Subtract the two like fractions:
105/210 - 350/210 = 105 - 350/210 = -245/210
After reducing the fraction, the answer is -7/6

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