Subtract 10/28 from 63/27, Solve 2 9/27

Subtract 10/28 from 63/27

1^st number: 2 9/27, 2^nd number: 10/28

63/27 - 10/28 is 83/42.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 27 × 28 = 756,
63/27 = 63 × 28/27 × 28 = 1764/756
Likewise, for the 2nd fraction, since 28 × 27 = 756,
10/28 = 10 × 27/28 × 27 = 270/756
Subtract the two like fractions:
1764/756 - 270/756 = 1764 - 270/756 = 1494/756
After reducing the fraction, the answer is 83/42
In mixed form: 141/42

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