Subtract 10/72 from 40/75
40/75 - 10/72 is 71/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
40/75 = 40 × 24/75 × 24 = 960/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
10/72 = 10 × 25/72 × 25 = 250/1800 - Subtract the two like fractions:
960/1800 - 250/1800 = 960 - 250/1800 = 710/1800 - After reducing the fraction, the answer is 71/180
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