Subtract 70/36 from 28/81
1st number: 28/81, 2nd number: 1 34/36
28/81 - 70/36 is -259/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
28/81 = 28 × 4/81 × 4 = 112/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
70/36 = 70 × 9/36 × 9 = 630/324 - Subtract the two like fractions:
112/324 - 630/324 = 112 - 630/324 = -518/324 - After reducing the fraction, the answer is -259/162
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