Subtract 98/63 from 10/18, Solve 10/18

Subtract 98/63 from 10/18

1^st number: 10/18, 2^nd number: 1 35/63

10/18 - 98/63 is -1/1.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
98/63 = 98 × 2/63 × 2 = 196/126
Subtract the two like fractions:
70/126 - 196/126 = 70 - 196/126 = -126/126
After reducing the fraction, the answer is -1/1

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