Subtract 42/27 from 84/28
1st number: 3 0/28, 2nd number: 1 15/27
84/28 - 42/27 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
84/28 = 84 × 27/28 × 27 = 2268/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
42/27 = 42 × 28/27 × 28 = 1176/756 - Subtract the two like fractions:
2268/756 - 1176/756 = 2268 - 1176/756 = 1092/756 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
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