Subtract 20/80 from 3/2
1st number: 1 1/2, 2nd number: 20/80
3/2 - 20/80 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
3/2 = 3 × 40/2 × 40 = 120/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Subtract the two like fractions:
120/80 - 20/80 = 120 - 20/80 = 100/80 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
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