Subtract 50/42 from 8/4
1st number: 2 0/4, 2nd number: 1 8/42
8/4 - 50/42 is 17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
8/4 = 8 × 21/4 × 21 = 168/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
50/42 = 50 × 2/42 × 2 = 100/84 - Subtract the two like fractions:
168/84 - 100/84 = 168 - 100/84 = 68/84 - After reducing the fraction, the answer is 17/21
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