Subtract 10/42 from 70/12, Solve 5 10/12

Subtract 10/42 from 70/12

1^st number: 5 10/12, 2^nd number: 10/42

70/12 - 10/42 is 235/42.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84
Subtract the two like fractions:
490/84 - 20/84 = 490 - 20/84 = 470/84
After reducing the fraction, the answer is 235/42
In mixed form: 525/42

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