Subtract 81/14 from 54/5
1st number: 10 4/5, 2nd number: 5 11/14
54/5 - 81/14 is 351/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
54/5 = 54 × 14/5 × 14 = 756/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Subtract the two like fractions:
756/70 - 405/70 = 756 - 405/70 = 351/70 - In mixed form: 51/70
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