Subtract 3/30 from 84/10, Solve 8 4/10

Subtract 3/30 from 84/10

1^st number: 8 4/10, 2^nd number: 3/30

84/10 - 3/30 is 83/10.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30
Subtract the two like fractions:
252/30 - 3/30 = 252 - 3/30 = 249/30
After reducing the fraction, the answer is 83/10
In mixed form: 83/10

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