Subtract 28/84 from 56/8, Solve 7 0/8

Subtract 28/84 from 56/8

1^st number: 7 0/8, 2^nd number: 28/84

56/8 - 28/84 is 20/3.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
28/84 = 28 × 2/84 × 2 = 56/168
Subtract the two like fractions:
1176/168 - 56/168 = 1176 - 56/168 = 1120/168
After reducing the fraction, the answer is 20/3
In mixed form: 62/3

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