Subtract 20/4 from 42/14
1st number: 3 0/14, 2nd number: 5 0/4
42/14 - 20/4 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
42/14 = 42 × 2/14 × 2 = 84/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Subtract the two like fractions:
84/28 - 140/28 = 84 - 140/28 = -56/28 - After reducing the fraction, the answer is -2/1
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