Subtract 20/24 from 30/9
1st number: 3 3/9, 2nd number: 20/24
30/9 - 20/24 is 5/2.
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,
30/9 = 30 × 8/9 × 8 = 240/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Subtract the two like fractions:
240/72 - 60/72 = 240 - 60/72 = 180/72 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
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