Subtract 45/12 from 42/14
1st number: 3 0/14, 2nd number: 3 9/12
4214 - 4512 is -34.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
4214 = 42 × 614 × 6 = 25284 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
4512 = 45 × 712 × 7 = 31584 - Subtract the two like fractions:
25284 - 31584 = 252 - 31584 = -6384 - After reducing the fraction, the answer is -34
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