Subtract 49/5 from 20/90
1st number: 20/90, 2nd number: 9 4/5
20/90 - 49/5 is -431/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
49/5 = 49 × 18/5 × 18 = 882/90 - Subtract the two like fractions:
20/90 - 882/90 = 20 - 882/90 = -862/90 - After reducing the fraction, the answer is -431/45
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