Subtract 9/25 from 21/6, Solve 3 3/6

Subtract 9/25 from 21/6

1^st number: 3 3/6, 2^nd number: 9/25

21/6 - 9/25 is 157/50.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 25 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 6 × 25 = 150,
21/6 = 21 × 25/6 × 25 = 525/150
Likewise, for the 2nd fraction, since 25 × 6 = 150,
9/25 = 9 × 6/25 × 6 = 54/150
Subtract the two like fractions:
525/150 - 54/150 = 525 - 54/150 = 471/150
After reducing the fraction, the answer is 157/50
In mixed form: 37/50

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