Subtract 12/40 from 84/80
1st number: 1 4/80, 2nd number: 12/40
84/80 - 12/40 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
12/40 = 12 × 2/40 × 2 = 24/80 - Subtract the two like fractions:
84/80 - 24/80 = 84 - 24/80 = 60/80 - After reducing the fraction, the answer is 3/4
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