Subtract 42/27 from 20/3, Solve 6 2/3

Subtract 42/27 from 20/3

1^st number: 6 2/3, 2^nd number: 1 15/27

20/3 - 42/27 is 46/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27

Next, find the equivalent fraction of both fractional numbers with denominator 27
For the 1st fraction, since 3 × 9 = 27,
20/3 = 20 × 9/3 × 9 = 180/27
Likewise, for the 2nd fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27
Subtract the two like fractions:
180/27 - 42/27 = 180 - 42/27 = 138/27
After reducing the fraction, the answer is 46/9
In mixed form: 51/9

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