Subtract 30/42 from 10/16
10/16 - 30/42 is -5/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
30/42 = 30 × 8/42 × 8 = 240/336 - Subtract the two like fractions:
210/336 - 240/336 = 210 - 240/336 = -30/336 - After reducing the fraction, the answer is -5/56
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