Subtract 72/4 from 12/14
1st number: 12/14, 2nd number: 18 0/4
12/14 - 72/4 is -120/7.
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,
12/14 = 12 × 2/14 × 2 = 24/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
72/4 = 72 × 7/4 × 7 = 504/28 - Subtract the two like fractions:
24/28 - 504/28 = 24 - 504/28 = -480/28 - After reducing the fraction, the answer is -120/7
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