Subtract 20/72 from 35/2
1st number: 17 1/2, 2nd number: 20/72
35/2 - 20/72 is 155/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
35/2 = 35 × 36/2 × 36 = 1260/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Subtract the two like fractions:
1260/72 - 20/72 = 1260 - 20/72 = 1240/72 - After reducing the fraction, the answer is 155/9
- In mixed form: 172/9
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