Subtract 81/15 from 20/2
1st number: 10 0/2, 2nd number: 5 6/15
20/2 - 81/15 is 23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
20/2 = 20 × 15/2 × 15 = 300/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Subtract the two like fractions:
300/30 - 162/30 = 300 - 162/30 = 138/30 - After reducing the fraction, the answer is 23/5
- In mixed form: 43/5
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