Subtract 84/80 from 72/36
1st number: 2 0/36, 2nd number: 1 4/80
72/36 - 84/80 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
72/36 = 72 × 20/36 × 20 = 1440/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Subtract the two like fractions:
1440/720 - 756/720 = 1440 - 756/720 = 684/720 - After reducing the fraction, the answer is 19/20
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