Subtract 40/80 from 80/4
1st number: 20 0/4, 2nd number: 40/80
80/4 - 40/80 is 39/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
80/4 = 80 × 20/4 × 20 = 1600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Subtract the two like fractions:
1600/80 - 40/80 = 1600 - 40/80 = 1560/80 - After reducing the fraction, the answer is 39/2
- In mixed form: 191/2
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