Subtract 50/70 from 1/42
1/42 - 50/70 is -29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
50/70 = 50 × 3/70 × 3 = 150/210 - Subtract the two like fractions:
5/210 - 150/210 = 5 - 150/210 = -145/210 - After reducing the fraction, the answer is -29/42
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