Subtract 98/45 from 36/42, Solve 36/42

Subtract 98/45 from 36/42

1^st number: 36/42, 2^nd number: 2 8/45

36/42 - 98/45 is -416/315.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
36/42 = 36 × 15/42 × 15 = 540/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
98/45 = 98 × 14/45 × 14 = 1372/630
Subtract the two like fractions:
540/630 - 1372/630 = 540 - 1372/630 = -832/630
After reducing the fraction, the answer is -416/315

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