Subtract 48/42 from 27/4, Solve 6 3/4

Subtract 48/42 from 27/4

1^st number: 6 3/4, 2^nd number: 1 6/42

27/4 - 48/42 is 157/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
48/42 = 48 × 2/42 × 2 = 96/84
Subtract the two like fractions:
567/84 - 96/84 = 567 - 96/84 = 471/84
After reducing the fraction, the answer is 157/28
In mixed form: 517/28

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