Subtract 24/18 from 21/12
1st number: 1 9/12, 2nd number: 1 6/18
21/12 - 24/18 is 5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
24/18 = 24 × 2/18 × 2 = 48/36 - Subtract the two like fractions:
63/36 - 48/36 = 63 - 48/36 = 15/36 - After reducing the fraction, the answer is 5/12
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