Subtract 70/49 from 63/3, Solve 21 0/3

Subtract 70/49 from 63/3

1^st number: 21 0/3, 2^nd number: 1 21/49

63/3 - 70/49 is 137/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 3 × 49 = 147,
63/3 = 63 × 49/3 × 49 = 3087/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147
Subtract the two like fractions:
3087/147 - 210/147 = 3087 - 210/147 = 2877/147
After reducing the fraction, the answer is 137/7
In mixed form: 194/7

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