Subtract 84/72 from 70/6
1st number: 11 4/6, 2nd number: 1 12/72
70/6 - 84/72 is 21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
70/6 = 70 × 12/6 × 12 = 840/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Subtract the two like fractions:
840/72 - 84/72 = 840 - 84/72 = 756/72 - After reducing the fraction, the answer is 21/2
- In mixed form: 101/2
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