Subtract 80/40 from 35/2
1st number: 17 1/2, 2nd number: 2 0/40
35/2 - 80/40 is 31/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
35/2 = 35 × 20/2 × 20 = 700/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
80/40 = 80 × 1/40 × 1 = 80/40 - Subtract the two like fractions:
700/40 - 80/40 = 700 - 80/40 = 620/40 - After reducing the fraction, the answer is 31/2
- In mixed form: 151/2
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