Subtract 98/63 from 20/8, Solve 2 4/8

Subtract 98/63 from 20/8

1^st number: 2 4/8, 2^nd number: 1 35/63

20/8 - 98/63 is 17/18.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
98/63 = 98 × 8/63 × 8 = 784/504
Subtract the two like fractions:
1260/504 - 784/504 = 1260 - 784/504 = 476/504
After reducing the fraction, the answer is 17/18

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