Subtract 50/30 from 6/42
1st number: 6/42, 2nd number: 1 20/30
6/42 - 50/30 is -32/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Subtract the two like fractions:
30/210 - 350/210 = 30 - 350/210 = -320/210 - After reducing the fraction, the answer is -32/21
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