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

Subtract 70/42 from 70/12

1^st number: 5 10/12, 2^nd number: 1 28/42

70/12 - 70/42 is 25/6.

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,
70/42 = 70 × 2/42 × 2 = 140/84
Subtract the two like fractions:
490/84 - 140/84 = 490 - 140/84 = 350/84
After reducing the fraction, the answer is 25/6
In mixed form: 41/6

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