Subtract 20/84 from 75/27
1st number: 2 21/27, 2nd number: 20/84
75/27 - 20/84 is 160/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
75/27 = 75 × 28/27 × 28 = 2100/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
20/84 = 20 × 9/84 × 9 = 180/756 - Subtract the two like fractions:
2100/756 - 180/756 = 2100 - 180/756 = 1920/756 - After reducing the fraction, the answer is 160/63
- In mixed form: 234/63
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