Subtract 8/84 from 28/4, Solve 7 0/4

Subtract 8/84 from 28/4

1^st number: 7 0/4, 2^nd number: 8/84

28/4 - 8/84 is 145/21.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
28/4 = 28 × 21/4 × 21 = 588/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84
Subtract the two like fractions:
588/84 - 8/84 = 588 - 8/84 = 580/84
After reducing the fraction, the answer is 145/21
In mixed form: 619/21

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