Subtract 90/50 from 7/4
1st number: 1 3/4, 2nd number: 1 40/50
7/4 - 90/50 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
7/4 = 7 × 25/4 × 25 = 175/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
90/50 = 90 × 2/50 × 2 = 180/100 - Subtract the two like fractions:
175/100 - 180/100 = 175 - 180/100 = -5/100 - After reducing the fraction, the answer is -1/20
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