Subtract 1/30 from 40/12
1st number: 3 4/12, 2nd number: 1/30
40/12 - 1/30 is 33/10.
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,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Subtract the two like fractions:
200/60 - 2/60 = 200 - 2/60 = 198/60 - After reducing the fraction, the answer is 33/10
- In mixed form: 33/10
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