Subtract 30/12 from 80/5
1st number: 16 0/5, 2nd number: 2 6/12
80/5 - 30/12 is 27/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
80/5 = 80 × 12/5 × 12 = 960/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Subtract the two like fractions:
960/60 - 150/60 = 960 - 150/60 = 810/60 - After reducing the fraction, the answer is 27/2
- In mixed form: 131/2
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