Subtract 4/20 from 81/6
1st number: 13 3/6, 2nd number: 4/20
81/6 - 4/20 is 133/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
81/6 = 81 × 10/6 × 10 = 810/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Subtract the two like fractions:
810/60 - 12/60 = 810 - 12/60 = 798/60 - After reducing the fraction, the answer is 133/10
- In mixed form: 133/10
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