Subtract 20/10 from 80/4
1st number: 20 0/4, 2nd number: 2 0/10
80/4 - 20/10 is 18/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
80/4 = 80 × 5/4 × 5 = 400/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
20/10 = 20 × 2/10 × 2 = 40/20 - Subtract the two like fractions:
400/20 - 40/20 = 400 - 40/20 = 360/20 - After reducing the fraction, the answer is 18/1
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