Subtract 9/14 from 90/45, Solve 2 0/45

Subtract 9/14 from 90/45

1^st number: 2 0/45, 2^nd number: 9/14

90/45 - 9/14 is 19/14.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
90/45 = 90 × 14/45 × 14 = 1260/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
9/14 = 9 × 45/14 × 45 = 405/630
Subtract the two like fractions:
1260/630 - 405/630 = 1260 - 405/630 = 855/630
After reducing the fraction, the answer is 19/14
In mixed form: 15/14

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