Subtract 4/10 from 84/24, Solve 3 12/24

Subtract 4/10 from 84/24

1^st number: 3 12/24, 2^nd number: 4/10

84/24 - 4/10 is 31/10.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
84/24 = 84 × 5/24 × 5 = 420/120
Likewise, for the 2nd fraction, since 10 × 12 = 120,
4/10 = 4 × 12/10 × 12 = 48/120
Subtract the two like fractions:
420/120 - 48/120 = 420 - 48/120 = 372/120
After reducing the fraction, the answer is 31/10
In mixed form: 31/10

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