Subtract 12/21 from 14/2
1st number: 7 0/2, 2nd number: 12/21
142 - 1221 is 457.
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,
142 = 14 × 212 × 21 = 29442 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
1221 = 12 × 221 × 2 = 2442 - Subtract the two like fractions:
29442 - 2442 = 294 - 2442 = 27042 - After reducing the fraction, the answer is 457
- In mixed form: 637
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