Subtract 8/12 from 81/20
1st number: 4 1/20, 2nd number: 8/12
81/20 - 8/12 is 203/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
81/20 = 81 × 3/20 × 3 = 243/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Subtract the two like fractions:
243/60 - 40/60 = 243 - 40/60 = 203/60 - In mixed form: 323/60
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