Subtract 28/16 from 21/3
1st number: 7 0/3, 2nd number: 1 12/16
21/3 - 28/16 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 3 × 16 = 48,
21/3 = 21 × 16/3 × 16 = 336/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
28/16 = 28 × 3/16 × 3 = 84/48 - Subtract the two like fractions:
336/48 - 84/48 = 336 - 84/48 = 252/48 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
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