Subtract 42/28 from 18/2
1st number: 9 0/2, 2nd number: 1 14/28
18/2 - 42/28 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
18/2 = 18 × 14/2 × 14 = 252/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
42/28 = 42 × 1/28 × 1 = 42/28 - Subtract the two like fractions:
252/28 - 42/28 = 252 - 42/28 = 210/28 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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