Subtract 10/84 from 72/27
1st number: 2 18/27, 2nd number: 10/84
72/27 - 10/84 is 107/42.
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,
72/27 = 72 × 28/27 × 28 = 2016/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
10/84 = 10 × 9/84 × 9 = 90/756 - Subtract the two like fractions:
2016/756 - 90/756 = 2016 - 90/756 = 1926/756 - After reducing the fraction, the answer is 107/42
- In mixed form: 223/42
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