Subtract 16/42 from 6/30
6/30 - 16/42 is -19/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
6/30 = 6 × 7/30 × 7 = 42/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
42/210 - 80/210 = 42 - 80/210 = -38/210 - After reducing the fraction, the answer is -19/105
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