Subtract 3/63 from 20/8, Solve 2 4/8

Subtract 3/63 from 20/8

1^st number: 2 4/8, 2^nd number: 3/63

20/8 - 3/63 is 103/42.

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,
3/63 = 3 × 8/63 × 8 = 24/504
Subtract the two like fractions:
1260/504 - 24/504 = 1260 - 24/504 = 1236/504
After reducing the fraction, the answer is 103/42
In mixed form: 219/42

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