Subtract 75/84 from 84/20
1st number: 4 4/20, 2nd number: 75/84
84/20 - 75/84 is 463/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
84/20 = 84 × 21/20 × 21 = 1764/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Subtract the two like fractions:
1764/420 - 375/420 = 1764 - 375/420 = 1389/420 - After reducing the fraction, the answer is 463/140
- In mixed form: 343/140
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