Subtract 36/27 from 70/84
1st number: 70/84, 2nd number: 1 9/27
70/84 - 36/27 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
70/84 = 70 × 9/84 × 9 = 630/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
36/27 = 36 × 28/27 × 28 = 1008/756 - Subtract the two like fractions:
630/756 - 1008/756 = 630 - 1008/756 = -378/756 - After reducing the fraction, the answer is -1/2
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