Subtract 15/28 from 18/6, Solve 3 0/6

Subtract 15/28 from 18/6

1^st number: 3 0/6, 2^nd number: 15/28

18/6 - 15/28 is 69/28.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 6 × 14 = 84,
18/6 = 18 × 14/6 × 14 = 252/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
15/28 = 15 × 3/28 × 3 = 45/84
Subtract the two like fractions:
252/84 - 45/84 = 252 - 45/84 = 207/84
After reducing the fraction, the answer is 69/28
In mixed form: 213/28

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