Subtract 14/12 from 45/21
1st number: 2 3/21, 2nd number: 1 2/12
45/21 - 14/12 is 41/42.
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,
45/21 = 45 × 4/21 × 4 = 180/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84 - Subtract the two like fractions:
180/84 - 98/84 = 180 - 98/84 = 82/84 - After reducing the fraction, the answer is 41/42
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