Subtract 42/7 from 5/2
1st number: 2 1/2, 2nd number: 6 0/7
5/2 - 42/7 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
5/2 = 5 × 7/2 × 7 = 35/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
42/7 = 42 × 2/7 × 2 = 84/14 - Subtract the two like fractions:
35/14 - 84/14 = 35 - 84/14 = -49/14 - After reducing the fraction, the answer is -7/2
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