Subtract 98/63 from 5/90, Solve 5/90

Subtract 98/63 from 5/90

1^st number: 5/90, 2^nd number: 1 35/63

5/90 - 98/63 is -3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
5/90 = 5 × 7/90 × 7 = 35/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
98/63 = 98 × 10/63 × 10 = 980/630
Subtract the two like fractions:
35/630 - 980/630 = 35 - 980/630 = -945/630
After reducing the fraction, the answer is -3/2

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