Subtract 21/84 from 25/2
1st number: 12 1/2, 2nd number: 21/84
25/2 - 21/84 is 49/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
25/2 = 25 × 42/2 × 42 = 1050/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Subtract the two like fractions:
1050/84 - 21/84 = 1050 - 21/84 = 1029/84 - After reducing the fraction, the answer is 49/4
- In mixed form: 121/4
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