Subtract 18/63 from 27/8, Solve 3 3/8

Subtract 18/63 from 27/8

1^st number: 3 3/8, 2^nd number: 18/63

27/8 - 18/63 is 173/56.

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,
27/8 = 27 × 63/8 × 63 = 1701/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504
Subtract the two like fractions:
1701/504 - 144/504 = 1701 - 144/504 = 1557/504
After reducing the fraction, the answer is 173/56
In mixed form: 35/56

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