Subtract 81/18 from 2/72
1st number: 2/72, 2nd number: 4 9/18
2/72 - 81/18 is -161/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
81/18 = 81 × 4/18 × 4 = 324/72 - Subtract the two like fractions:
2/72 - 324/72 = 2 - 324/72 = -322/72 - After reducing the fraction, the answer is -161/36
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