Subtract 20/5 from 75/6
1st number: 12 3/6, 2nd number: 4 0/5
75/6 - 20/5 is 17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
75/6 = 75 × 5/6 × 5 = 375/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
20/5 = 20 × 6/5 × 6 = 120/30 - Subtract the two like fractions:
375/30 - 120/30 = 375 - 120/30 = 255/30 - After reducing the fraction, the answer is 17/2
- In mixed form: 81/2
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