Subtract 42/70 from 9/5, Solve 1 4/5

Subtract 42/70 from 9/5

1^st number: 1 4/5, 2^nd number: 42/70

9/5 - 42/70 is 6/5.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 5 × 14 = 70,
9/5 = 9 × 14/5 × 14 = 126/70
Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70
Subtract the two like fractions:
126/70 - 42/70 = 126 - 42/70 = 84/70
After reducing the fraction, the answer is 6/5
In mixed form: 11/5

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