Subtract 5/70 from 42/9, Solve 4 6/9

Subtract 5/70 from 42/9

1^st number: 4 6/9, 2^nd number: 5/70

42/9 - 5/70 is 193/42.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
42/9 = 42 × 70/9 × 70 = 2940/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630
Subtract the two like fractions:
2940/630 - 45/630 = 2940 - 45/630 = 2895/630
After reducing the fraction, the answer is 193/42
In mixed form: 425/42

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