Subtract 5/30 from 42/9, Solve 4 6/9

Subtract 5/30 from 42/9

1^st number: 4 6/9, 2^nd number: 5/30

42/9 - 5/30 is 9/2.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90
Likewise, for the 2nd fraction, since 30 × 3 = 90,
5/30 = 5 × 3/30 × 3 = 15/90
Subtract the two like fractions:
420/90 - 15/90 = 420 - 15/90 = 405/90
After reducing the fraction, the answer is 9/2
In mixed form: 41/2

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