Subtract 72/18 from 7/14
1st number: 7/14, 2nd number: 4 0/18
7/14 - 72/18 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
7/14 = 7 × 9/14 × 9 = 63/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Subtract the two like fractions:
63/126 - 504/126 = 63 - 504/126 = -441/126 - After reducing the fraction, the answer is -7/2
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