Subtract 40/70 from 81/14
1st number: 5 11/14, 2nd number: 40/70
81/14 - 40/70 is 73/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Subtract the two like fractions:
405/70 - 40/70 = 405 - 40/70 = 365/70 - After reducing the fraction, the answer is 73/14
- In mixed form: 53/14
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