Subtract 20/4 from 4/90
1st number: 4/90, 2nd number: 5 0/4
4/90 - 20/4 is -223/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
20/4 = 20 × 45/4 × 45 = 900/180 - Subtract the two like fractions:
8/180 - 900/180 = 8 - 900/180 = -892/180 - After reducing the fraction, the answer is -223/45
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