Subtract 45/40 from 72/75
1st number: 72/75, 2nd number: 1 5/40
72/75 - 45/40 is -33/200.
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,
45/40 = 45 × 15/40 × 15 = 675/600 - Subtract the two like fractions:
576/600 - 675/600 = 576 - 675/600 = -99/600 - After reducing the fraction, the answer is -33/200
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