Subtract 8/16 from 80/20
1st number: 4 0/20, 2nd number: 8/16
80/20 - 8/16 is 7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
80/20 = 80 × 4/20 × 4 = 320/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
8/16 = 8 × 5/16 × 5 = 40/80 - Subtract the two like fractions:
320/80 - 40/80 = 320 - 40/80 = 280/80 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
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