Subtract 4/72 from 5/6
5/6 - 4/72 is 7/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
5/6 = 5 × 12/6 × 12 = 60/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Subtract the two like fractions:
60/72 - 4/72 = 60 - 4/72 = 56/72 - After reducing the fraction, the answer is 7/9
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