Subtract 45/98 from 18/15, Solve 1 3/15

Subtract 45/98 from 18/15

1^st number: 1 3/15, 2^nd number: 45/98

18/15 - 45/98 is 363/490.

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,
18/15 = 18 × 98/15 × 98 = 1764/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
45/98 = 45 × 15/98 × 15 = 675/1470
Subtract the two like fractions:
1764/1470 - 675/1470 = 1764 - 675/1470 = 1089/1470
After reducing the fraction, the answer is 363/490

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