Subtract 9/70 from 63/27, Solve 2 9/27

Subtract 9/70 from 63/27

1^st number: 2 9/27, 2^nd number: 9/70

63/27 - 9/70 is 463/210.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 27 × 70 = 1890,
63/27 = 63 × 70/27 × 70 = 4410/1890
Likewise, for the 2nd fraction, since 70 × 27 = 1890,
9/70 = 9 × 27/70 × 27 = 243/1890
Subtract the two like fractions:
4410/1890 - 243/1890 = 4410 - 243/1890 = 4167/1890
After reducing the fraction, the answer is 463/210
In mixed form: 243/210

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