Subtract 1/12 from 40/45
40/45 - 1/12 is 29/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
40/45 = 40 × 4/45 × 4 = 160/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
1/12 = 1 × 15/12 × 15 = 15/180 - Subtract the two like fractions:
160/180 - 15/180 = 160 - 15/180 = 145/180 - After reducing the fraction, the answer is 29/36
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