Subtract 49/21 from 21/6, Solve 3 3/6

Subtract 49/21 from 21/6

1^st number: 3 3/6, 2^nd number: 2 7/21

21/6 - 49/21 is 7/6.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
49/21 = 49 × 2/21 × 2 = 98/42
Subtract the two like fractions:
147/42 - 98/42 = 147 - 98/42 = 49/42
After reducing the fraction, the answer is 7/6
In mixed form: 11/6

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