Subtract 21/24 from 27/9
1st number: 3 0/9, 2nd number: 21/24
27/9 - 21/24 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
27/9 = 27 × 8/9 × 8 = 216/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Subtract the two like fractions:
216/72 - 63/72 = 216 - 63/72 = 153/72 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
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