Subtract 70/81 from 16/4
1st number: 4 0/4, 2nd number: 70/81
16/4 - 70/81 is 254/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
16/4 = 16 × 81/4 × 81 = 1296/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
70/81 = 70 × 4/81 × 4 = 280/324 - Subtract the two like fractions:
1296/324 - 280/324 = 1296 - 280/324 = 1016/324 - After reducing the fraction, the answer is 254/81
- In mixed form: 311/81
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