Subtract 4/9 from 70/42, Solve 1 28/42

Subtract 4/9 from 70/42

1^st number: 1 28/42, 2^nd number: 4/9

70/42 - 4/9 is 11/9.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
70/42 = 70 × 3/42 × 3 = 210/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
4/9 = 4 × 14/9 × 14 = 56/126
Subtract the two like fractions:
210/126 - 56/126 = 210 - 56/126 = 154/126
After reducing the fraction, the answer is 11/9
In mixed form: 12/9

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