Subtract 70/84 from 63/27
1st number: 2 9/27, 2nd number: 70/84
63/27 - 70/84 is 3/2.
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,
63/27 = 63 × 28/27 × 28 = 1764/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
70/84 = 70 × 9/84 × 9 = 630/756 - Subtract the two like fractions:
1764/756 - 630/756 = 1764 - 630/756 = 1134/756 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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