Subtract 3/72 from 81/14
1st number: 5 11/14, 2nd number: 3/72
81/14 - 3/72 is 965/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
81/14 = 81 × 36/14 × 36 = 2916/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Subtract the two like fractions:
2916/504 - 21/504 = 2916 - 21/504 = 2895/504 - After reducing the fraction, the answer is 965/168
- In mixed form: 5125/168
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