Subtract 8/45 from 4/10
4/10 - 8/45 is 2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
8/45 = 8 × 2/45 × 2 = 16/90 - Subtract the two like fractions:
36/90 - 16/90 = 36 - 16/90 = 20/90 - After reducing the fraction, the answer is 2/9
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