Subtract 27/98 from 72/15, Solve 4 12/15

Subtract 27/98 from 72/15

1^st number: 4 12/15, 2^nd number: 27/98

72/15 - 27/98 is 2217/490.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 15 × 98 = 1470,
72/15 = 72 × 98/15 × 98 = 7056/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
27/98 = 27 × 15/98 × 15 = 405/1470
Subtract the two like fractions:
7056/1470 - 405/1470 = 7056 - 405/1470 = 6651/1470
After reducing the fraction, the answer is 2217/490
In mixed form: 4257/490

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