Subtract 4/72 from 2/7
2/7 - 4/72 is 29/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
2/7 = 2 × 72/7 × 72 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Subtract the two like fractions:
144/504 - 28/504 = 144 - 28/504 = 116/504 - After reducing the fraction, the answer is 29/126
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