Subtract 42/45 from 15/6, Solve 2 3/6

Subtract 42/45 from 15/6

1^st number: 2 3/6, 2^nd number: 42/45

15/6 - 42/45 is 47/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
15/6 = 15 × 15/6 × 15 = 225/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90
Subtract the two like fractions:
225/90 - 84/90 = 225 - 84/90 = 141/90
After reducing the fraction, the answer is 47/30
In mixed form: 117/30

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