Subtract 25/15 from 27/98, Solve 27/98

Subtract 25/15 from 27/98

1^st number: 27/98, 2^nd number: 1 10/15

27/98 - 25/15 is -409/294.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 98 × 15 = 1470,
27/98 = 27 × 15/98 × 15 = 405/1470
Likewise, for the 2nd fraction, since 15 × 98 = 1470,
25/15 = 25 × 98/15 × 98 = 2450/1470
Subtract the two like fractions:
405/1470 - 2450/1470 = 405 - 2450/1470 = -2045/1470
After reducing the fraction, the answer is -409/294

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