Subtract 54/40 from 72/75
1st number: 72/75, 2nd number: 1 14/40
72/75 - 54/40 is -39/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
72/75 = 72 × 8/75 × 8 = 576/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
54/40 = 54 × 15/40 × 15 = 810/600 - Subtract the two like fractions:
576/600 - 810/600 = 576 - 810/600 = -234/600 - After reducing the fraction, the answer is -39/100
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