Subtract 50/84 from 54/21
1st number: 2 12/21, 2nd number: 50/84
54/21 - 50/84 is 83/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
54/21 = 54 × 4/21 × 4 = 216/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
50/84 = 50 × 1/84 × 1 = 50/84 - Subtract the two like fractions:
216/84 - 50/84 = 216 - 50/84 = 166/84 - After reducing the fraction, the answer is 83/42
- In mixed form: 141/42
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