Subtract 72/4 from 72/14
1st number: 5 2/14, 2nd number: 18 0/4
72/14 - 72/4 is -90/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
72/14 = 72 × 2/14 × 2 = 144/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
72/4 = 72 × 7/4 × 7 = 504/28 - Subtract the two like fractions:
144/28 - 504/28 = 144 - 504/28 = -360/28 - After reducing the fraction, the answer is -90/7
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