Subtract 20/84 from 20/3, Solve 6 2/3

Subtract 20/84 from 20/3

1^st number: 6 2/3, 2^nd number: 20/84

20/3 - 20/84 is 45/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 3 × 28 = 84,
20/3 = 20 × 28/3 × 28 = 560/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84
Subtract the two like fractions:
560/84 - 20/84 = 560 - 20/84 = 540/84
After reducing the fraction, the answer is 45/7
In mixed form: 63/7

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