Subtract 21/9 from 16/4
1st number: 4 0/4, 2nd number: 2 3/9
16/4 - 21/9 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
16/4 = 16 × 9/4 × 9 = 144/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Subtract the two like fractions:
144/36 - 84/36 = 144 - 84/36 = 60/36 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
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