Subtract 1/35 from 70/42, Solve 1 28/42

Subtract 1/35 from 70/42

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

70/42 - 1/35 is 172/105.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
1/35 = 1 × 6/35 × 6 = 6/210
Subtract the two like fractions:
350/210 - 6/210 = 350 - 6/210 = 344/210
After reducing the fraction, the answer is 172/105
In mixed form: 167/105

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