Subtract 28/16 from 21/2
1st number: 10 1/2, 2nd number: 1 12/16
21/2 - 28/16 is 35/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
21/2 = 21 × 8/2 × 8 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
28/16 = 28 × 1/16 × 1 = 28/16 - Subtract the two like fractions:
168/16 - 28/16 = 168 - 28/16 = 140/16 - After reducing the fraction, the answer is 35/4
- In mixed form: 83/4
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