Subtract 63/21 from 6/35, Solve 6/35

Subtract 63/21 from 6/35

1^st number: 6/35, 2^nd number: 3 0/21

6/35 - 63/21 is -99/35.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 35 × 3 = 105,
6/35 = 6 × 3/35 × 3 = 18/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
63/21 = 63 × 5/21 × 5 = 315/105
Subtract the two like fractions:
18/105 - 315/105 = 18 - 315/105 = -297/105
After reducing the fraction, the answer is -99/35

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