Subtract 50/30 from 45/12
1st number: 3 9/12, 2nd number: 1 20/30
45/12 - 50/30 is 25/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
50/30 = 50 × 2/30 × 2 = 100/60 - Subtract the two like fractions:
225/60 - 100/60 = 225 - 100/60 = 125/60 - After reducing the fraction, the answer is 25/12
- In mixed form: 21/12
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