Subtract 75/12 from 16/21
1st number: 16/21, 2nd number: 6 3/12
16/21 - 75/12 is -461/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
16/21 = 16 × 4/21 × 4 = 64/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
75/12 = 75 × 7/12 × 7 = 525/84 - Subtract the two like fractions:
64/84 - 525/84 = 64 - 525/84 = -461/84
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