Subtract 6/90 from 28/6, Solve 4 4/6

Subtract 6/90 from 28/6

1^st number: 4 4/6, 2^nd number: 6/90

28/6 - 6/90 is 23/5.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
28/6 = 28 × 15/6 × 15 = 420/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90
Subtract the two like fractions:
420/90 - 6/90 = 420 - 6/90 = 414/90
After reducing the fraction, the answer is 23/5
In mixed form: 43/5

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