Subtract 4/72 from 3/4
3/4 - 4/72 is 25/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
3/4 = 3 × 18/4 × 18 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Subtract the two like fractions:
54/72 - 4/72 = 54 - 4/72 = 50/72 - After reducing the fraction, the answer is 25/36
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