Subtract 10/84 from 90/27
1st number: 3 9/27, 2nd number: 10/84
90/27 - 10/84 is 45/14.
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,
90/27 = 90 × 28/27 × 28 = 2520/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
10/84 = 10 × 9/84 × 9 = 90/756 - Subtract the two like fractions:
2520/756 - 90/756 = 2520 - 90/756 = 2430/756 - After reducing the fraction, the answer is 45/14
- In mixed form: 33/14
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