Subtract 12/8 from 30/10, Solve 3 0/10

Subtract 12/8 from 30/10

1^st number: 3 0/10, 2^nd number: 1 4/8

30/10 - 12/8 is 3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40
Likewise, for the 2nd fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40
Subtract the two like fractions:
120/40 - 60/40 = 120 - 60/40 = 60/40
After reducing the fraction, the answer is 3/2
In mixed form: 11/2

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