Subtract 21/14 from 42/2
1st number: 21 0/2, 2nd number: 1 7/14
42/2 - 21/14 is 39/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 14 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
42/2 = 42 × 7/2 × 7 = 294/14 - Likewise, for the 2nd fraction, since 14 × 1 = 14,
21/14 = 21 × 1/14 × 1 = 21/14 - Subtract the two like fractions:
294/14 - 21/14 = 294 - 21/14 = 273/14 - After reducing the fraction, the answer is 39/2
- In mixed form: 191/2
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