Subtract 2/10 from 4/45
4/45 - 2/10 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
2/10 = 2 × 9/10 × 9 = 18/90 - Subtract the two like fractions:
8/90 - 18/90 = 8 - 18/90 = -10/90 - After reducing the fraction, the answer is -1/9
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