Subtract 4/81 from 56/40
1st number: 1 16/40, 2nd number: 4/81
56/40 - 4/81 is 547/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
56/40 = 56 × 81/40 × 81 = 4536/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
4/81 = 4 × 40/81 × 40 = 160/3240 - Subtract the two like fractions:
4536/3240 - 160/3240 = 4536 - 160/3240 = 4376/3240 - After reducing the fraction, the answer is 547/405
- In mixed form: 1142/405
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