Subtract 9/84 from 54/30, Solve 1 24/30

Subtract 9/84 from 54/30

1^st number: 1 24/30, 2^nd number: 9/84

54/30 - 9/84 is 237/140.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
54/30 = 54 × 14/30 × 14 = 756/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420
Subtract the two like fractions:
756/420 - 45/420 = 756 - 45/420 = 711/420
After reducing the fraction, the answer is 237/140
In mixed form: 197/140

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