Subtract 9/90 from 45/6, Solve 7 3/6

Subtract 9/90 from 45/6

1^st number: 7 3/6, 2^nd number: 9/90

45/6 - 9/90 is 37/5.

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,
45/6 = 45 × 15/6 × 15 = 675/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90
Subtract the two like fractions:
675/90 - 9/90 = 675 - 9/90 = 666/90
After reducing the fraction, the answer is 37/5
In mixed form: 72/5

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