Subtract 6/21 from 63/15, Solve 4 3/15

Subtract 6/21 from 63/15

1^st number: 4 3/15, 2^nd number: 6/21

63/15 - 6/21 is 137/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
63/15 = 63 × 7/15 × 7 = 441/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
6/21 = 6 × 5/21 × 5 = 30/105
Subtract the two like fractions:
441/105 - 30/105 = 441 - 30/105 = 411/105
After reducing the fraction, the answer is 137/35
In mixed form: 332/35

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