Subtract 35/70 from 63/3, Solve 21 0/3

Subtract 35/70 from 63/3

1^st number: 21 0/3, 2^nd number: 35/70

63/3 - 35/70 is 41/2.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 3 × 70 = 210,
63/3 = 63 × 70/3 × 70 = 4410/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210
Subtract the two like fractions:
4410/210 - 105/210 = 4410 - 105/210 = 4305/210
After reducing the fraction, the answer is 41/2
In mixed form: 201/2

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