Subtract 81/14 from 72/4
1st number: 18 0/4, 2nd number: 5 11/14
72/4 - 81/14 is 171/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
72/4 = 72 × 7/4 × 7 = 504/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Subtract the two like fractions:
504/28 - 162/28 = 504 - 162/28 = 342/28 - After reducing the fraction, the answer is 171/14
- In mixed form: 123/14
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