Subtract 12/40 from 72/14
1st number: 5 2/14, 2nd number: 12/40
72/14 - 12/40 is 339/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
72/14 = 72 × 20/14 × 20 = 1440/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Subtract the two like fractions:
1440/280 - 84/280 = 1440 - 84/280 = 1356/280 - After reducing the fraction, the answer is 339/70
- In mixed form: 459/70
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