Subtract 72/45 from 8/80
1st number: 8/80, 2nd number: 1 27/45
8/80 - 72/45 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
8/80 = 8 × 9/80 × 9 = 72/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
72/45 = 72 × 16/45 × 16 = 1152/720 - Subtract the two like fractions:
72/720 - 1152/720 = 72 - 1152/720 = -1080/720 - After reducing the fraction, the answer is -3/2
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