Subtract 15/8 from 63/27, Solve 2 9/27

Subtract 15/8 from 63/27

1^st number: 2 9/27, 2^nd number: 1 7/8

63/27 - 15/8 is 11/24.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 27 × 8 = 216,
63/27 = 63 × 8/27 × 8 = 504/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
15/8 = 15 × 27/8 × 27 = 405/216
Subtract the two like fractions:
504/216 - 405/216 = 504 - 405/216 = 99/216
After reducing the fraction, the answer is 11/24

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