Subtract 2/12 from 4/45
4/45 - 2/12 is -7/90.
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,
4/45 = 4 × 4/45 × 4 = 16/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
2/12 = 2 × 15/12 × 15 = 30/180 - Subtract the two like fractions:
16/180 - 30/180 = 16 - 30/180 = -14/180 - After reducing the fraction, the answer is -7/90
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