Subtract 24/18 from 42/5, Solve 8 2/5

Subtract 24/18 from 42/5

1^st number: 8 2/5, 2^nd number: 1 6/18

42/5 - 24/18 is 106/15.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 5 × 18 = 90,
42/5 = 42 × 18/5 × 18 = 756/90
Likewise, for the 2nd fraction, since 18 × 5 = 90,
24/18 = 24 × 5/18 × 5 = 120/90
Subtract the two like fractions:
756/90 - 120/90 = 756 - 120/90 = 636/90
After reducing the fraction, the answer is 106/15
In mixed form: 71/15

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