Subtract 20/40 from 18/3
1st number: 6 0/3, 2nd number: 20/40
18/3 - 20/40 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
18/3 = 18 × 40/3 × 40 = 720/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Subtract the two like fractions:
720/120 - 60/120 = 720 - 60/120 = 660/120 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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