Subtract 49/4 from 16/42
1st number: 16/42, 2nd number: 12 1/4
16/42 - 49/4 is -997/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
16/42 = 16 × 2/42 × 2 = 32/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
49/4 = 49 × 21/4 × 21 = 1029/84 - Subtract the two like fractions:
32/84 - 1029/84 = 32 - 1029/84 = -997/84
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