Subtract 21/14 from 81/6
1st number: 13 3/6, 2nd number: 1 7/14
81/6 - 21/14 is 12/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
81/6 = 81 × 7/6 × 7 = 567/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Subtract the two like fractions:
567/42 - 63/42 = 567 - 63/42 = 504/42 - After reducing the fraction, the answer is 12/1
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