Subtract 20/18 from 4/45
1st number: 4/45, 2nd number: 1 2/18
4/45 - 20/18 is -46/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 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 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Subtract the two like fractions:
8/90 - 100/90 = 8 - 100/90 = -92/90 - After reducing the fraction, the answer is -46/45
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