Subtract 45/12 from 4/2
1st number: 2 0/2, 2nd number: 3 9/12
42 - 4512 is -74.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
42 = 4 × 62 × 6 = 2412 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
4512 = 45 × 112 × 1 = 4512 - Subtract the two like fractions:
2412 - 4512 = 24 - 4512 = -2112 - After reducing the fraction, the answer is -74
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