Subtract 50/72 from 81/18
1st number: 4 9/18, 2nd number: 50/72
81/18 - 50/72 is 137/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
81/18 = 81 × 4/18 × 4 = 324/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
50/72 = 50 × 1/72 × 1 = 50/72 - Subtract the two like fractions:
324/72 - 50/72 = 324 - 50/72 = 274/72 - After reducing the fraction, the answer is 137/36
- In mixed form: 329/36
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