Subtract 12/10 from 18/4, Solve 4 2/4

Subtract 12/10 from 18/4

1^st number: 4 2/4, 2^nd number: 1 2/10

18/4 - 12/10 is 33/10.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20

Next, find the equivalent fraction of both fractional numbers with denominator 20
For the 1st fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20
Likewise, for the 2nd fraction, since 10 × 2 = 20,
12/10 = 12 × 2/10 × 2 = 24/20
Subtract the two like fractions:
90/20 - 24/20 = 90 - 24/20 = 66/20
After reducing the fraction, the answer is 33/10
In mixed form: 33/10

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