Subtract 90/20 from 28/25
1st number: 1 3/25, 2nd number: 4 10/20
28/25 - 90/20 is -169/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
28/25 = 28 × 4/25 × 4 = 112/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
90/20 = 90 × 5/20 × 5 = 450/100 - Subtract the two like fractions:
112/100 - 450/100 = 112 - 450/100 = -338/100 - After reducing the fraction, the answer is -169/50
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