Subtract 45/50 from 21/4
1st number: 5 1/4, 2nd number: 45/50
21/4 - 45/50 is 87/20.
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,
21/4 = 21 × 25/4 × 25 = 525/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
45/50 = 45 × 2/50 × 2 = 90/100 - Subtract the two like fractions:
525/100 - 90/100 = 525 - 90/100 = 435/100 - After reducing the fraction, the answer is 87/20
- In mixed form: 47/20
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