Subtract 72/21 from 14/2
1st number: 7 0/2, 2nd number: 3 9/21
14/2 - 72/21 is 25/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
14/2 = 14 × 21/2 × 21 = 294/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
72/21 = 72 × 2/21 × 2 = 144/42 - Subtract the two like fractions:
294/42 - 144/42 = 294 - 144/42 = 150/42 - After reducing the fraction, the answer is 25/7
- In mixed form: 34/7
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