Subtract 81/80 from 12/2
1st number: 6 0/2, 2nd number: 1 1/80
12/2 - 81/80 is 399/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
12/2 = 12 × 40/2 × 40 = 480/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Subtract the two like fractions:
480/80 - 81/80 = 480 - 81/80 = 399/80 - In mixed form: 479/80
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