Subtract 27/7 from 42/4, Solve 10 2/4

Subtract 27/7 from 42/4

1^st number: 10 2/4, 2^nd number: 3 6/7

42/4 - 27/7 is 93/14.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28

Next, find the equivalent fraction of both fractional numbers with denominator 28
For the 1st fraction, since 4 × 7 = 28,
42/4 = 42 × 7/4 × 7 = 294/28
Likewise, for the 2nd fraction, since 7 × 4 = 28,
27/7 = 27 × 4/7 × 4 = 108/28
Subtract the two like fractions:
294/28 - 108/28 = 294 - 108/28 = 186/28
After reducing the fraction, the answer is 93/14
In mixed form: 69/14

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