Subtract 21/27 from 2/24, Solve 2/24

Subtract 21/27 from 2/24

2/24 - 21/27 is -25/36.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
2/24 = 2 × 9/24 × 9 = 18/216
Likewise, for the 2nd fraction, since 27 × 8 = 216,
21/27 = 21 × 8/27 × 8 = 168/216
Subtract the two like fractions:
18/216 - 168/216 = 18 - 168/216 = -150/216
After reducing the fraction, the answer is -25/36

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