Subtract 40/6 from 75/72
1st number: 1 3/72, 2nd number: 6 4/6
75/72 - 40/6 is -45/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
75/72 = 75 × 1/72 × 1 = 75/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
40/6 = 40 × 12/6 × 12 = 480/72 - Subtract the two like fractions:
75/72 - 480/72 = 75 - 480/72 = -405/72 - After reducing the fraction, the answer is -45/8
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