Subtract 3/4 from 90/50
1st number: 1 40/50, 2nd number: 3/4
90/50 - 3/4 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
90/50 = 90 × 2/50 × 2 = 180/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
3/4 = 3 × 25/4 × 25 = 75/100 - Subtract the two like fractions:
180/100 - 75/100 = 180 - 75/100 = 105/100 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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